How long have you been studying in No.2 Middle School?—Less than half a year.—So it will be two years and a half _______ you graduate from this school.[ ]

You’d better do it ________ your mother did

It was not until midnight that _____ the camping site. [ ]

How many English songs have you learned this term— 10.

n could have defeated Howard in the match, but he _______ too careless at the last minute.