At the age of six, my son _____ ask me a
问题:
At the age of six, my son _____ ask me a lot of strange questions, and some of them were too hard to answer.
A.would
B.should
C.must
D.might
At the age of six, my son _____ ask me a lot of strange questions, and some of them were too hard to answer.
A.would
B.should
C.must
D.might