5. The Earth ____ for bilions of yeats(exist)

6. They suggested energy-saving bulbs_____ to save electricity(use)

7.Mary_____ her homework with great care all the time(do)

8.It _____since last week(not rain)

1.Many teenagers feel________to talk to their parents about their problem because there is a generation gap.(able)

2.People are interested in the____ of wood to prevent floods.(preserve)

3.This kind of fertilizer will make your field more_____(produce)

4.The manager came up to me and asked me for an ____(explain)

5. The Earth ____ for bilions of yeats(exist)

6. They suggested energy-saving bulbs_____ to save electricity(use)

7.Mary_____ her homework with great care all the time(do)

8.It _____since last week(not rain)

Ghi rõ loại từ hộ mik vs nh c.ơn ạ:)