I>CHOOSE THE CORRECT ANSWER TO COMPLETE EACH FOLLOWING SENTENCE.WHY?

1. Linda used to ____ morning exercise when she got up early.

A.did B.does C.doing D.do

2.My mum ______the bus to work every day,but I cycle

A.catches B.drives C.goes D.runs

3.You should look right and left when you go _______the road

A.down B.across C.up D.along

4.Bus is the main public _____in Viet Nam

A.travel B.tricycle C.transport D.vehicle

5.The play was so boring ._____,An saw it from beginning to end

A.Therefore B.Despite C.however D.Although

6.She's sure that they will find the film _____.

A.entertaining B.entertain C.entertainment D.entertained

7.-"Do you like seeing a film?"-"________________"

A.No,I don't like it at all B.Sure.What film shall we see?

C.Who is in it? D.I'm sorry .I can't

8.________being frighttened by the images,Lan still liked the film so much

A.In spite B.Despite C.Although D.Nevertheless

9._________is La Tomatina celebrated?-Every August.

A.Where B.Why C.When D.Which

10. My father liked the __________of that singer

A.perform B.performer C.performance D. performing

11.Does your bike ever _______down on the way to school.

A.break B.take C.do D.turn

12.I________go on foot when I was in primary school

A.used to B.break C.can D.may

13.Give a________before you turn left or right

A.signal B.turn C.sound D.sign

14.A lot of dancers go to Rio de Janeiro to______the Carnival

A.attend B.join C.perform D.appeare

15._________the film was gripping, Tom slept from beginning to end

A.Therefore B.Despite C.However D.Although

1. I should like someone to take me out to dinner.
-> What i should ...................................................
2.Martin may not be very well but he still manages to enjoy life.
-> Martin's poor...........................................................................
3. They'll have to take the dog on holiday with them.
-> They can''t leave...................................................
4. My aunt got heavily stressed because her mariage broke up.
-> The break-up the marriage ...................................................
5. I can't believe that he passed the exam.
-> I find..........................................................
6. This is the fastest way to get to the city center.
-> There ....................................................................
7. If anyone succeeds in solving the problems, it will probably be him.
-> He is the most ..................................................................................

Có thể thay dây chảy của cầu chì bằng một kim loại khác được không? Vì sao?

Hòa tan hoàn toàn 11g nhôm và sắt vào dung dịch HCl vừa đủ thu được 8,96 lít Hidro tiêu chuẩn.

a. Tính khối lượng và phần trăm khối lượng trong mỗi chất.

b. Tính khối lượng và phân tử HCl cần dùng.

Đốt cháy hoàn toàn 8,8g hỗn hợp Mg, Cu cần dùng 11,2 g không khí (đktc). Tính khối lượng mỗi kim loại có trong hỗn hợp.

C

D