Mrs. Brown isn’t here. She has to ______ her baby at home.

The market isn’t far from here. It’s only ______ bicycle ride.

Miss Gu teaches ______ English this term. We love ______ very much..

It’ s 7 p.m. It’ s time ______ Tom ______  English. . ‘

Do you know the answer _______ the question.
A. to         B. of          C. at        D, in