问题
You must ______the English course one month before it begins.
A:pay for
B:paid for
C:be paid for
D:be spent on
B:paid for
C:be paid for
D:be spent on
正确答案是：
同类题型
We often go home ______ 4:30 ______ the afternoon.[ ]
Alice, is this you dictionary?— Oh，no, it’s not _______. Ask Tom. He is looking for ____.
_____ the fans are waiting for the popular singer outside the concert hall.
_______ on your study, and you will make greater progress．
Where are my keys, Dad? I can’t find them.—- Look! They’re under the table. You must _____.