几道语法题,请详解
1.we were all surprised when he made it clear that he ——office soon
a leaves b would leave c left d had left
2.she has sacrificed so much ——— support the family
a because of b because c for d in order to
（选d 的原因是他是词组 而for是介词,后面必须加名词是吗）
3.it is not——to ask her that question
a suit b suits c fits d fit
4 parents are encourage to__ computers for their children
a get b purchase c gain d buy
3题 it 不是第三单吗，为何不用fits