Chuyển sang câu bị động
1. We have to test these products.
...............................................................................................................................
2. How do people prounce this word?
...................................................................................................................................
3. We must do somthing before it’s too late.
..................................................................................................................................
4. People don’t use this dictionary very often.
..................................................................................................................................
5. They have found oil in the Antartic.
.................................................................................................................................
1. These products have to be tested (by us).
2.How is this word pronunced ?
3.Something must be done (by us) before it's too late.
4.This dictionary isn't used very often.
5.Oil has been found (by them) in the Antar.