In ancient times, dogs were mainly ______helping people hunt( 打猎) .Now they are more useful-they can help the blinds, search for the bad eggs,...
#77872
A
bad for
B
used to
C
used for
D
good at
推荐题目
Must we finish all the homework today or tomorrow? – You ____ worry about it. You may hand it in next week.
#74646
A
mustn’t
B
can’t
C
needn’t
D
shouldn’t
---Never touch my computer while I’m away． --- Sorry, __________.
#74964
A
I shouldn’t
B
I mustn’t
C
I won’t
D
I don’t
_Could I go to the movie this Sunday, Dad? _ Yes, you_____. But you ______ come back before nine.
#76263
A
should, can
B
must ,have to
C
can , have to
D
need, must
---I think Miss Lin must be in the library. She said she would go there.---No, she __________be there. I have just been there.
#76652
A
can’t
B
mustn’t
C
needn’t
D
wouldn’t
---The work will take me another week. I’m really tired.---I think you as well consult an experienced worker.
#62814
A
may
B
can
C
need
D
must