The scientists ________ on the new medicine for two years. They will succeed in no time.
#38384
A
work
B
are working
C
have worked
D
will work
推荐题目
- You seem familiar with Mr. John?-Of course, we_______ together for three years in the 1990s.
#39563
A
have worked
B
were working
C
are working
D
worked
——I don’t know if she __________ tomorrow.—— If she _________ tomorrow, I’ll call you.
#39831
A
comes; comes
B
comes; will come
C
will come; comes
D
will come; is coming
_______ you ________ Huangshi since 10 years ago?
#37182
A
Have ; gone to
B
Have ; been to
C
Have ; been in
D
Do, live in
Jeremy Lin __________ an unknown basketball player in New York Knicks for quite a long time.
#40498
A
used to be
B
used to being
C
is used to be
D
was used to be
