I_____ to school by bike, but now I ______.
A. used to go; used to walking
B. used to go; am used to walk
C. used to going; am used to walk
D. used to go; am used to walking
___ the teachers in their school is about 200 and one fourth of them are ____ teachers.
A. A number of; women B. A number of; woman
C. The number of; women D. The number of; woman
— When shall we go?
— It hasn’t been decided yet. It ____ the weather.
A. begins with B. leads to
C. depends on D. thinks of
I don’t know _____ he will come or not. _____he comes, I’ll tell you.
A. if; If B. whether; Whether
C. whether; If D. if; Whether
We ___ use mobile phones when the plane takes off.
A. may not B. shouldn’t
C. needn’t D. mustn’t
He told us where tomorrow morning.
A. meet B. meeting C. to meet D. met