Chủ đề:
Luyện tập tổng hợpCâu hỏi:
6. What (happen) _________________if I press this button?
7. The door will be unlocked if you (press)_________________ the green button.
8. I should have voted for her if I (have) _________________ a vote then.
9. If you go to Paris, where you (stay) _________________?
10. If you (swim) _________________ in this lake, you'll shiver from cold.