Great changes _______ in our country since 1990.
#44952
A
were taken place
B
took place
C
have taken place
D
have been taken place
推荐题目
The dictionary mustn’t ________ from the library.
#44684
A
take away
B
taken away
C
are taken away
D
be taken away
Can’t you see that sign? Taking photos _______ here.
#44371
A
aren’t allowed
B
don’t allow
C
isn’t allowed
D
doesn’t allow
More and more people have realized that we won’t have cleaner water to drink unless something _______soon.
#44577
A
is done
B
was done
C
will be done
D
to be done