问题

Our classroom must __________ every afternoon.
A:clean
B:cleans
C:cleaned
D:be cleaned;
B:cleans
C:cleaned
D:be cleaned;
正确答案是:
同类题型
I have to go home. My parents do not allow me to ___________ too late.
It is such an interesting book ________ we all like.
____ they are closest friends is not clear though they live together.
are very ______: they can live in forests, onopen plains, or in the snows of the Arctic
he movie star has always been the focus of much media attention, he tries to lead a normal life.