Giup mih cai nha!

1. Your eyes are red. You....................(cry)

2. We................(cook) all day for the party that evening and by eight o'clock we still weren't ready.

3. I forget..............(tell) you, Jane's got married to Peter.

4. Oh, no. What even made her.................(decide) to do a thing like that?

5. Although John lives in a big city, he.....................(prefer) his cottage in the country.

6. But for his help yesterday, I.....................(not finish) my report on time.

7. "I realise I should not have said that." "That's all right. I...............(forgive) you."

8. If you have written the letter I.................(post) it.

9. When I came home, he....................(watch) television.

10. I wish I.....................(know) his address.

1. When I..............(hear) the noise. I (get)......................up to see what had happened.

2. He asked me (put).......................the books on the desk.

3. I think they should let him (go)...............

4. She didn't have enough time (finish)....................her exercises.

5. His hair is very short. He....................(have) a haircut.

6. The car looks very clean......................(you/wash) it?

7. I'd rather you...............(stay) at home and.................(do) nothing.

Có tick nha!

Hợp chất C có công thức là MX2 trong đó M chiếm 46,67% về khối lượng. Trong hạt nhân M số n nhiều hơn số p là 4. Trong hạt nhân X số p bằng số n. Tổng số p trong MX2 là 58. Tìm công thức phân tử C.