( ) 17. In those days, whenever I had difficulties, I _______Mr Shen for help.
A.used to go to | B.was used to go to | C.would go to | D.used to going to |
. In our class, when the bell rang and the teacher closed his book, it was a______for everyone to stand up.
A.mark | B.chance | C.signal | D.measure |
Now, in our country free medical treatment covers sickness of mind as well as ______sickness.
A. ordinary B
. average C. regular D. normal
The biggest whale is ______ blue whale, which grows to be about 29 meters long—the height of ______ 9-story building.
A.the; the | B.the; a | C.a; the | D.a; a |
— You should apologize to her, Barry.
—______, but it’s not going to be easy.
A.I suppose so | B.I feel so | C.I do so | D.I like to |
Gun control is a subject______Americans have argued for a long time .
A.of which | B.with which |
C.into which | D.aboutwhich |