Maybe if I ________ science,and not literature then,I would be able to give you more help.(2011·北京)
#86550
A
studied
B
would study
C
had studied
D
was studying
推荐题目
The little girl        ,but her family was too poor at that time.
#89335
A
could go to school
B
could have gone to school
C
must have gone to school 
D
can have gone to school
He was busy with his essay at that time. Otherwise he ____ over to help us.
#87011
A
had come
B
would come
C
would have come
D
was coming