The vegetables in his field ________ well, because they are pollutionfree.
#99491
A
are selling
B
have been sold
C
are sold
D
sell
推荐题目
Scientific experiments __________ by students without the teachers’ instructions can be dangerous.
#103839
A
carry out
B
carrying out
C
carried out
D
carrying
— The floor is dirty.— Yes. It _______ for two days.
#99920
A
hasn’t swept
B
didn’t sweep
C
hasn’t cleaned
D
hasn’t been cleaned
--We haven't heard form Jane for a long time. ---what do you suppose ___ to her?
#103978
A
was happening
B
to happen
C
has happened
D
having happened
Don’t ______ life’s small joys while searching for the big ones.
#100855
A
contradict
B
overlook
C
obtain
D
confirm
Jim ______ a late night film at home when, right in the middle a thrilling scene, the television went blank.
#100588
A
watched
B
had watched
C
was watching
D
would be watching