Maybe if I_____ science, and not literature then, I would be able to give you more  help. 
#86597
A
studied
B
wouldstudy
C
hadstudied
D
wasstudying
推荐题目
— What do you think of the movie we saw just now?— I________ it --- it will give me terrible dreams.
#87817
A
shouldn’t watch
B
shouldn’t have watched
C
may not watch
D
can’t have watched
The impatient driver received a ticket for speeding. He       so fast.
#87270
A
shouldn’t have driven
B
wouldn’t have driven
C
couldn’t have driven
D
mustn’t have driven