bài 6: cung cấp thì/ dạng đúng của động từ trong ngoặc:

1. I think I ....... ( go ) to the gym tomorrow.

2. I must ....... ( clean ) the kitchen before my mother gets here.

3. ......... they ...... (visit ) their grandparents last summer?

4. How much does your suitcase weigh? It ....... ( look ) heavy.

5. ......... Mum ( sleep ) ........? No, she ( do ) ....... gardening