1 . She loves the boy as if she ________(be) his mother. (所给词的适当形式填空）

2 . Had Paul received six more votes in the last election, he ______________________ (be) our chairman now.

3 . Peter and I ______ friends for three years. We first got to know each other at a Christmas party. But we ______ each other a couple of times before that.

A．have been; had seen	B．have become; had seen
C．have been; saw	D．have become; have seen