Birds can’t swim ___ they can fly.
查看答案
__ can the boy do? He can sing English songs.
A. Which
B. What
C. Why
I can tell stories ___ English.
A. in
B. on
C. of
Frogs can swim very ___.
A. high
B. slow
C. fast
What ___ your mother ___ ? She is a policeman.
A. is…job
B. do…do
C. does…do