1.-Do you mind_____here?
-_____.
A.me to smoke;Not at all B.my smoking;Yes,I don't
C.me to smoke;Certainly not D.if I smoke;No,please
2.-This is an old photo of mine when I_____.
A.have short hairs B.had short hairs
C.have short hair D.had short hair
3.-Is this short-wave radio_____?
-No,it belongs to_____.
A.yours;me B.yours;his C.her;him D.yours;her
4.-A computer_____think for itself,it must be told what to do.
A.can't B.couldn't C.may not D.might not
老师给我们的答案是 B,B,B,D。各位高手帮忙看一下。谢!
请说一下原因