Câu 37 Chu Dong Chu couldn't buy any special food because he was very poor. (because)

because+ clause: bởi vì

Câu 38 During Tet, Vietnamese people buy all kinds of sweets and make Chung cakes . (and)

V and V: và

Câu 39 No one in my class is as tall as Mark. (the)

Mark is the tallest person inmy class

ss nhấ: S+ tobe+ the+ adj_est

Câu 40 Nam didn't speak English as well as Huy. (than)

Huy speaks English better than Nam

Câu 41 No one in my group is as beautiful as Jane. (the)

Jane is the most beautiful person in my group 

ss nhấ: S+ tobe+ the+ most+ adj

Câu 42 It's good for us to keep our traditional customs. (should)

we should keep our traditional customs

S+ should + V

Câu 43 He spent an hour walking to school last night. (took)

It took an hour to walk to school last night

It took+ money/time+ to V

Câu 44 It rained hard,but we still went swimming. (Although)

we still went swimming although It rained hard

although+ clause: mặc dù