问题
In my opinion, ______ seems easy at first often turns out to be difficult in the end.
A:it
B:what
C:that
D:which
B:what
C:that
D:which
正确答案是：
同类题型
Their daughter has________for language while their son is a________pianist.
______ the books, he realized they were far from enough and told some of us to share.
are frequently reports of accidents as fireworks______, stored or transported
The policeTom of stealing and the accused was afraid to meet the accuser.