单项选择题
A.until B.but C.unless D.for
He () be in the classroom because he was seen playing f...
单项选择题He () be in the classroom because he was seen playing football on the play- ground.
A.mustn't B.can't C.may not D.isn't able to
The singer's story () differently in the magazine. A.wa...
单项选择题The singer's story () differently in the magazine.
A.was reported B.was reporting C.reports D.reported