—What should we do first if we want to develop our village? —A lot of new roads_____, I think. A. have to build B. must build C. must be built
— Who helped Mark with his English? — _______, he taught himself.
April is ________ month of the year while Thursday is _______ day of the week.
— Could you help me do some cleaning after school? — If I _______, I will do it.
There are many kinds of sports, _______ my favorite is swimming.
— Excuse me, could you tell me____________? — There is an e–shop on the third floor.You can repair it there.