Dưới đây là các lựa chọn từ phù hợp để hoàn thành câu:

33. **won't** do some work instead of sitting there reading the paper. (would rather/ ought to/ won't/ don't have to)

34. Be careful how you hold that jug; it **may** break easily. (may/ ought to/will/ might)

35. I'm not sure where to go for my holiday, but I **might** go to China. (should/ may/ have to/ needn't)

36. We had free tickets, so we **didn't have to** pay to get into the concert. (didn't have to/ couldn't/mustn't/ shouldn't)

37. Now I'm feeling dizzy. I **shouldn't have** watched video film till midnight. (shouldn't have/couldn't/mustn't)

38. Tom **mustn't** drive. He is too tired. (would rather/ must/ needn't to/ ought not to)

39. Shall I clean the window today? – No, you **don't have to**. (mustn't/ needn't/ don't have/ shouldn't)

40. You’ve been traveling all day. You **can’t take** a walk now. (could take/ can’t take/ may take)

Hy vọng những câu trả lời này giúp ích cho bạn!