— Why did Miss Yang look so worried when we saw her?
— Because she wondered __________.
A. where did the other students go
B. that the policeman would come
C. what her students have done
D. if her students were safe after the earthquake
It was _______pleasant surprise for the mother to see her son ____had been missing for nearly ten years that she didn’t know what to say.
A. so, that B. such a, that
C. so, who D. such , who
Not only the twins but also their cousin Jim _______ been to Japan, but _______ of them can speak Japanese.
A. have; neither B. have; none
C. has; neither D. has; none
The exercises ________to be harder than we thought.
You should practice more before the exam. Remember, practice makes perfect.
A. turned out B. found out
C. made up D. took up
In summer milk quickly go bad _____it is put into a fridge.
A. though B. unless C. because D. once
— I hear Sam has gone to Qingdao for his holiday.
— Oh, how nice! Do you know when he________?
A. left B. was leaving
C. has left D. had left