问题
Did you call Sara back?—I didn’t need to, _____ we’ll have a meeting together tonight
A:though
B:unless
C:because
D:if
B:unless
C:because
D:if
正确答案是：
同类题型
She searched all the places where she _____ haveleft her necklace but it was all in vain
Is there ________in the room—-No， there’s ________there.
ient ___private cars are for us, theymay also cause traffic accidents and pollution
Peter’s father is a _______ math teacher.—I think so. He teaches _______.