He has a hard time the problem.
#42186
A
works out
B
working out
C
work out
D
works out
推荐题目
There ______ great changes in our hometown in the past fifteen years.
#41872
A
has been
B
have been
C
was
D
were
--____ you ____the work?--No, we need two more hours.
#40403
A
Have , finished
B
Do, finish
C
Did, finish
D
Will, finish
—Excuse me, look at the sign “No photos!”—Sorry, I __________ it.
#36243
A
don’t see
B
didn’t see
C
haven’t seen
D
won’t see
The last time I ______her, she ___________ at a medical college.
#36728
A
was visiting; studied
B
visited; studied
C
visited; was studying
D
was visiting; was studying
I love my hometown and I _______ here for 15 years.
#42367
A
was living
B
live
C
will live
D
have lived