:I. 单项选择
1．It
wasn’t long _______ he came back.
A.
when B. after C. before D. since
2．My
husband has lost so much weight that he has to wear a belt to ____ his trousers
up.
A.
take B. have C. get D. hold
3. I was about to leave _______ the telephone
ran.
A. before
B. as C.
while D. when
