问题
Susan thought ____not easy to answer all these questions.
A:it
B:that
C:them
D:this
B:that
C:them
D:this
正确答案是:
同类题型
You ought to have put the milk in the refrigerator, and now ________sour.
________ my opinion, the school trip was veryinteresting.[ ]
The letter _____ I received from him yesterday is very important. [ ]
_____peoplearethereinyourfamily? [ ]
One of the most delicious drinks _________ I like is orange juice.