A. when B. because C. before D. unless

【题目】Don't you let____ help you?
A.I and my friend
B.my friend and I
C.my friend and me
D.me and my friend

A.when did he leave B.when he is leaving

C.when he left D.when is he leaving

A. Why B.what C. How D. where

【题目】—Your bag is quite nice. Where did you buy____?
—In Beijing. Do you want to have ____like this?
A.it;one
B.it;it
C.one;it
D.one;one

【题目】与深圳相比，南京是一座古老的城市。
Shenzhen，Nanjing is an old city.

A. give up it B. give up them

C. give it up D. give them up

A. so B. but C. or D. and

【题目】我爸爸一年到头都非常忙。
My father is very busy

A. while B. unless C. as D. if