Question

Chuyển về chủ động

1. These exercises must be done at once

2. This road will be widened soon

3. This house was built many years ago by my grandfather

4. Where was your bike made ?

5. America was discovered in 1942

Answer 1

Chuyển về chủ động

1. These exercises must be done at once

=> You must do these exercises at once

2. This road will be widened soon

=> They will widen this road soon

3. This house was built many years ago by my grandfather

=> My grandfather built this house many years ago

4. Where was your bike made ?

=> Where did they make your bike?

5. America was discovered in 1942

=> He discovered America in 1942

Answer 2

Chuyển về chủ động

1. These exercises must be done at once

=> You must do these exercises at once.

2. This road will be widened soon

=> They will widen this road soon.

3. This house was built many years ago by my grandfather

=> My grandfather built this house many years ago.

4. Where was your bike made ?

=> Where did they make your bike?

5. America was discovered in 1942

=> They discovered America in 1942.