–What time were you supposed _______?–At six o’clock. But I arrived at six thirty.
#50458
A
arrive
B
arrived
C
arriving
D
to arrive
推荐题目
Your son has kept _________ for two hours. You’d better ask him to have a rest.
#51156
A
study
B
studied
C
to study
D
studying
-- The math problem _________ is not difficult. --- But after several tries , I have to give up _________ on it .
#49383
A
it’s , working
B
itself , to work
C
itself , working
D
its , to work