31. Mary said that she worked eight hours a day except when the children were on holiday.

S + said +(that) + S+ V (lùi thì)

HTĐ ⇒ QKĐ

32. Tom asked me if I had had enough for lunch.

S + asked + O + if /whether + S+ V (lùi thì)

HTHT ⇒ QKHT

33. A new hospital can be built for children here.

S + can be + V3/ed: bị động - modal verb 

34. If you don't write your paper more carefully, the teacher can't read it.

If 1: if + HTĐ, S + will/can/shall .. + V1 

35. If he didn't get up early, he wouldn't have good health.

if 2: If + QKĐ. S + would / could+ V1 

36. The article is about smartphones which have become excellent study tools.

N (vật) + which + V/ S+ V 

37. The teacher asked us not to make noise in class.

S + asked + O + to V / not to V: câu yêu cầu 

38. If it is Sunday today, I will go swimming.

If 1: if + HTĐ, S + will/can/shall .. + V1 

1. D phát âm là /z/ - còn lại là /s/

2. A phát âm là /e/ - còn lại là /i:/

3. C nhấn âm 2 - còn lại 1

4. B nhấn âm 2 - còn lại 1

5. A 

damage (n) = harm (n) hư hại 

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