33. In spite of having a good salary, he was unhappy. 

In spite of + N / NP / Ving, clause: mặc dù 

34. Mr. Minh said that they didn't open the laboratory that day.

S + said + (that) + S+ V (lùi thì)

HTĐ --> QKĐ

today --> that day 

35. If I had a computer, I could finish my homework.

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

36. It took me 2 hours to write the essay.

It took + O + time + to V: mất bao nhiêu thời gian làm gì 

37. Don't walk on the street. Walk on the pavement.

V1 / Don't + V1 

--> câu mệnh lệnh 

38. If I had wings, it would be very interesting. 

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

39. The teacher asked the students what they were doing then.

S + asked + O + Wh +S+  V (lùi thì)

HTTD --> QKTD

now --> then 

40. I was tired so I went home early. 

Clause + so + clause: vì vậy 

be +adj 

v +adv 

`color{orange}{~MiaMB~}`