---It's reported__________the new underground line has been completed.
---Yes, but it hasn't been made clear ________ it's to be opened to traffic.
A. when; when
B. that; that
C. when; that
D. that; when
Not until ________did he leave.
A. I came back
B. did I come back
C. came back I
D. came I back
I _________ in the countryside, but these days I________ in the city.
A. used to live; am used to live
B. was used to living; used to live
C. was used to live; used to live
D. used to live; am used to living
Foreigners always __________China with the Great Wall.
A. heal
B. relieve
C. combat
D. associate
When it comes to __________ on living expenses, the family always become silent.
A. cut down
B. cuts down
C. cutting down
D. have cut down
I like this English song and it ___________ many times on the radio.
A. has been taught
B. has taught
C. is taught
D. taught