He has ___the classroom when he is on duty.A clean B to clean Ccleaning D cleans

问题描述:

He has ___the classroom when he is on duty.A clean B to clean Ccleaning D cleans
—————she _____go to bed so early?A Does, have to B Has,has to那这个呢

B have to do ,不得不,轮到他值日的时候不得不打扫教室.
Fighting!