It’s 7 o’clock. It’s time ____ go to school.A. to B. for C. of
do you usually go to school?——At seven。A. What B. How C. What time
She her homework at home。A. doesn't B. doesn't do C. isn’t do
Ann is very happy___ with her father. A. to go B. goes C. go to
He usually goes home____ bike.A. by B. by a C. With
There are ____ clouds in the sky.A. not a B. no C. not