—When does a lion begin to eat meat?
—I’m not sure. Maybe ________ a few months old.
A. at B. for C. in D. on
—My mobile phone dropped into the water when I was walking along the river bank.
—_________！
A. Great B. What a pity C. Sounds good D. Lucky you
The number of wild lions in Africa (非洲) _ _ much smaller than before.
A. is B. are C. has D. have
Boys, I’ll tell you _____, and you can do it _____.
A. how to do; by yourself B. what to do; by yourself
C. how to do; alone D. what to do; on your own
Wolves have good team work. They usually hunt _________a team and then they share their prey (猎物).
A. for B. about C. with D. as
— Are there any tomatoes in the fridge? -----_____________.
— What’s in the fridge then? -----_____________.
A. Nothing, None B. None, Nothing
C. None, None D. Noting, Nothing
