1) chia động từ trong ngoặc

1. sea water is salty. if the oceans ........(consist) of fresh water, there ......(be) plenty of water to irrigate all of the desert in the world

2. duringthe volcanic eruption of Mount Pinatubo in1991,hundreds of people........(die), but thousands (save)............ because scientists.......(warn) them about the eruption

3. he look so funny. whenever i see him, i can't help............(laugh)

4. you have just missed the bus. - alright. i.........(walk)

2)điền từ phù hợp

1. hís sense of humor distinguishes him......others

I.Điền từ :
1. If the sun (shine) .......... now, we (go) .......... to the beach.
2. Water (freeze) ................ if the temperature (go ) ........... below 0C
3.Sea water is salty . If the ocean (consist) ............... of fresh water , there (be)............. plenty of water to irrigate all of the deserts in the world.
4. What ( you do ) ............. if you (have ) ............. a chance to meer aliens from outer space?
5. If he ( not start ) ................. at once, he ( not catch ) the last train.

II.Supply the correct form of the words.
1. It was (care) ............ of you to have broken the vase.
2. The volcano in the Philippines erupted in 1991 was the largest volcanic (erupt) .............. in more than 50 years.
3. If you want to attend the course , you must pass the (come ) examination.
4.In the 1990s , jeans became high fashion (cloth).............
5. Local authorities should prohibit and fine (heacy ) anyone using electricity to catch fish.

điều kiện loại1, câuloại 2, loại 3. câu1:we on the beach now if we hadn't missed the plane. A:will lie. B:could be lying. C:will be lying. D:might have lain. cau2:If the oceans were of fresh water, there plenty of water to irrigate all the deserts on earth. A:will be. B:would have been. C:were. D:would be. cau3:If a drop of oil is placed in a glass of water, it to the top. A:will float. B:woulb float. C:does float. D:should float. cau4: anyone call, just say I'll be back in the office at four o'clock. A:If. B:were. C:should. D:unless. cau5: me twice my current salary, I wouldn't work for them. A:If thay paid. B:weren't they paid. C:had they not paid. D:were they not to pay. cau6:If I just one year younger,I would be eligible for the scholarship. A:am. B:will be. C:would be. D:were. cau7:If we are not busy this weekend,we the new fruit farm in the countryside. A:will visit. B:would visit. C:would have visited. D:visited. cau8:If yoy follow my directions,you her house easily. A:would find. B:would have found. C:found. D:will find. cau9: advised on what and how to prepare for the interview,he might have got the job. A:had be been. B:If he had. C:were he to be. D:unless he had been. cau10:If my father bankrup last year,he could own the luxurious car now. A:didn't go. B:hadn't gone. C:wasn't going. D:weren't go to. cau11:well have to go without john if he soon. A:wont arrive. B:will arrive. C:arrivves. D:doesn't arrive. cau12:If you to my advice in the first place.you wouldn't be in this mess right now. A:listen. B:had listened. C:will listen. D:listened. cau13:If you Tom,tell him I have a message for him. A:will meet. B:would meet. C:meet. D:met. cau14:If I lived nearer the centre,I always late for work. A:wouldn't be. B:can be. C:won't be. D:will be. cau15:If we had known your new address,we to see you. A:came. B:will come. C:would come.

Read the following passage and choose the best option A, B, C or D to be used for each of the blanks to complete the following passage from 16 to 20.

Water is of vital importance to all living things. Without it, all living things will surely die. We also use a great (16)______ of water daily in our homes, in factories, and in power stations. Most of this water is fresh water and it comes to us from reservoirs, rivers and lakes.

The Earth's surface is (17)_____ by large areas of water which we call oceans and seas. If you have tasted the water from the sea, you will know that, unlike fresh water, seawater tastes salty. This is due to the (18)_____ of sodium chloride which comes from the land. Rivers carry it to the sea.

Although neither salt nor fresh water has any color, the sea often looks blue (19)______ the sunlight. The reason is that sunlight is made up of many colors. Some colors disappear quickly in the sea but blue light bounces back or is reflected, to the surface. This makes the sea look blue. (20)______ , a stormy sky will make the sea look grey.

Điền ô số 19

A. of 

B. within 

C. with 

D. in

Read the following passage and choose the best option A, B, C or D to be used for each of the blanks to complete the following passage from 16 to 20.

Water is of vital importance to all living things. Without it, all living things will surely die. We also use a great (16)______ of water daily in our homes, in factories, and in power stations. Most of this water is fresh water and it comes to us from reservoirs, rivers and lakes.

The Earth's surface is (17)_____ by large areas of water which we call oceans and seas. If you have tasted the water from the sea, you will know that, unlike fresh water, seawater tastes salty. This is due to the (18)_____ of sodium chloride which comes from the land. Rivers carry it to the sea.

Although neither salt nor fresh water has any color, the sea often looks blue (19)______ the sunlight. The reason is that sunlight is made up of many colors. Some colors disappear quickly in the sea but blue light bounces back or is reflected, to the surface. This makes the sea look blue. (20)______ , a stormy sky will make the sea look grey. 

Điền ô số 18

A. attraction 

B. presence 

C. advantage 

D. influence 

Read the following passage and choose the best option A, B, C or D to be used for each of the blanks to complete the following passage from 16 to 20.

Water is of vital importance to all living things. Without it, all living things will surely die. We also use a great (16)______ of water daily in our homes, in factories, and in power stations. Most of this water is fresh water and it comes to us from reservoirs, rivers and lakes.

The Earth's surface is (17)_____ by large areas of water which we call oceans and seas. If you have tasted the water from the sea, you will know that, unlike fresh water, seawater tastes salty. This is due to the (18)_____ of sodium chloride which comes from the land. Rivers carry it to the sea.

Although neither salt nor fresh water has any color, the sea often looks blue (19)______ the sunlight. The reason is that sunlight is made up of many colors. Some colors disappear quickly in the sea but blue light bounces back or is reflected, to the surface. This makes the sea look blue. (20)______ , a stormy sky will make the sea look grey. 

Điền ô số 20

A. Therefore 

B. Hence 

C. Consequently 

D. However 

Read the following passage and choose the best option A, B, C or D to be used for each of the blanks to complete the following passage from 16 to 20.

Water is of vital importance to all living things. Without it, all living things will surely die. We also use a great (16)______ of water daily in our homes, in factories, and in power stations. Most of this water is fresh water and it comes to us from reservoirs, rivers and lakes.

The Earth's surface is (17)_____ by large areas of water which we call oceans and seas. If you have tasted the water from the sea, you will know that, unlike fresh water, seawater tastes salty. This is due to the (18)_____ of sodium chloride which comes from the land. Rivers carry it to the sea.

Although neither salt nor fresh water has any color, the sea often looks blue (19)______ the sunlight. The reason is that sunlight is made up of many colors. Some colors disappear quickly in the sea but blue light bounces back or is reflected, to the surface. This makes the sea look blue. (20)______ , a stormy sky will make the sea look grey. 

Điền ô số 16

A. number 

B. measure 

C. quality 

D. amount 

Read the following passage and choose the best option A, B, C or D to be used for each of the blanks to complete the following passage from 16 to 20.

Water is of vital importance to all living things. Without it, all living things will surely die. We also use a great (16)______ of water daily in our homes, in factories, and in power stations. Most of this water is fresh water and it comes to us from reservoirs, rivers and lakes.

The Earth's surface is (17)_____ by large areas of water which we call oceans and seas. If you have tasted the water from the sea, you will know that, unlike fresh water, seawater tastes salty. This is due to the (18)_____ of sodium chloride which comes from the land. Rivers carry it to the sea.

Although neither salt nor fresh water has any color, the sea often looks blue (19)______ the sunlight. The reason is that sunlight is made up of many colors. Some colors disappear quickly in the sea but blue light bounces back or is reflected, to the surface. This makes the sea look blue. (20)______ , a stormy sky will make the sea look grey. 

Điền ô số 17

A. covered 

B. reserved 

C. constructed 

D. included