问题
I think _________ necessary for students to take an interest in all subjects.
A:that
B:this
C:it
D:one
B:this
C:it
D:one
正确答案是：
同类题型
You must have waited here for a long time, __________?
Your mother was angry ______ what you said. [ ]
It’s time _____ class. You must _____ the classroom.
Nicholas Xie considers himself cleverer than others because he always ______new ideas.[ ]
Your school is becoming more and more beautiful!. — Thanks. It ________a lot in the past few years.