求英语填空题解答,谢谢~

问题描述:

求英语填空题解答,谢谢~
1.look!the driver is driving too fast.he___driving______90 miles an hour.
a.must have been;at b.can't have been;atc.cant ba;in d.must be;at
2.this is the house in___my family have ever lived.
a.whichb.that c.where d.whose

1.d must表示很肯定的推测
2.a 定语从句,in which=where