Maybe if I________ science, and not literature then, I would be able to give you more help.
#87195
A
studied
B
would study
C
had studied
D
was studying
推荐题目
. He __________ full marks, but he was so careless as to make a spelling mistake.
#88166
A
must have gained
B
can have gained
C
could have gained
D
must gain
 Mr. White _______ at 8:30 for the meeting, but he didn’t show up. 
#89256
A
should have arrived
B
should arrive
C
should have had arrived
D
should be arriving
My boss insisted that I _______ the work before ten o’clock tonight.
#87564
A
can finish
B
must finish
C
must have finished
D
finish