He knows it is high time that he ________ at once.
#87730
A
quits smoking
B
quitted smoking
C
should quit to smoke
D
quitted to smoke
推荐题目
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
If I ___ the answer to the question , I ____ you..
#88939
A
know; would tell
B
would know; would tell
C
knew ; would tell
D
know ; tell
He _____ if he works hard for the people.
#90061
A
shall praise
B
shall be praised
C
will praise
D
will be praised
--- I didn’t tell my parents the secret yesterday. --- But you ______.
#87697
A
ought to do
B
ought to
C
should
D
ought to have