With a lot of difficult problems________, the manager felt worried all the time.
#96725
A
settled
B
to be settled
C
settling
D
to settle
推荐题目
We’ve never expected___ so many valuable finds from this archaeological site.
#97252
A
there being
B
to there be
C
there to be
D
to be there
The way you thought of _______ the experiment is very practical.
#96352
A
carrying out
B
which to carry out
C
that carries out
D
to carry out
—Would you permit me ___________ here?— Sorry. We don’t permit ___________ in the lab.
#95277
A
smoking; smoking
B
to smoke; to smoke
C
smoking; to smoke
D
to smoke; smoking