Chia động từ trong ngoặc:

1. Never there (be) ______ a greater day in the history of mankind.

2. Not until I saw her I (realise)______how beautiful she was.

3. Not only i (have lost)_______my keys, I've lost my wallet, too.

4. Only when the green light is on, vehicles (may cross)_______ the train tracks.

5. Little I (thought) that one day my best friend would become prime minister.

Cho tam giác ABC nhọn cân tại A có BC = 4a. AK và BH là 2 đường cao, AH = 7a. Tính AK

1 ô tô khởi hành từ A với vận tốc 50km/h. 1h5ph sau 1 ô tô khác cũng khởi hành từ A cùng hướng với ô tô thứ nhất với vận tốc 70km/h. Sau mấy giờ thì 2 ô tô gặp nhau và điểm gặp nhau cách A bao nhiêu km?

Use the correct form of the verbs in brackets to complete the sentences:

1. There was no sign indicating that the cottage (break)______into

2. It has been decided that the two boys (expel)_____from school for playing nasty tricks on the teachers and other students

3. He (spend)______all morning doing the homework and by lunchtime he (finish)_______it

4. He (spend)______all morning doing the homework and by lunchtime he (finish)_______it

Choose the most suitable word to complete the sentence.

1. The job requires a good______for finger.

a) brain

b) head

c) falcuty

d) understanding

2. I'll never forget_____this piece of music for the first time.

a) hear

b) hearing

c) to hear

d) heard

3. Then all of a_____, there was an explosion and all the lights went out.

a) surprise

b) moment

c) sudden

d) excitement

4. Everyone is ready,____?
a) isn't he

b) isn't she

c) aren't they

d) is he

5. The popular bear's natural_____is near the North Pole.

a) house

b) homeland

c) habitat

d) forest

6. "Every pupil must pay his school fees by the 5^th of the month_____" said the headmaster.

a) at the latest

b) at last

c) lastly

d) on the last

7. The head is______proportion with the body.

a) out of

b) outside

c) off

d) away from

8. He was just back from his business___.

a) sightseeing

b) trip

c) voyage

d) journey

9. He was wearing very shabby dirty clothes and looked very_______.

a) easy-going

b) down to earth

c) out of shape

d) down at heel

10. the thought of living in another country has never_____my mind.

a) crossed

b) entered

c) occurred to

d) come

11. The 5% wage increases they porpose are_____.

a) all for one

b) by and large

c) to to borrow

d) across the board

12. i don't like people who tend to____other people's kindness

a) take advantage in

b) take advantage

c) take advantages of

d) take advantage of

có thể tăng diện tích mặt não không? vì sao?