Question

Viết lại câu sao cho nghĩa không đổi

1. Mary couldn't sing.

-> Mary was .................................

2. When did your father begin to work in that factory?

-> How long ......................................?

3. She started driving two months ago.

-> She has ........................................

4. Our sources of energy will soon end if we don't try to save them.

-> Unless ..........................................

5. These students enjoy reading books.

-> These students are .....................................

Answer 1

..........unable to sing

........have your father worked in that factory

......driven for two months

..........we try to save our sources of energy, they will soon end