问题

The air in Rizhao is getting much _____ now than a few years ago .
A:clean
B:cleaner
C:cleanest
D:the cleanest
B:cleaner
C:cleanest
D:the cleanest
正确答案是:
同类题型
__________the burglar from the second floor when the house owner found him stealing last night.
What did he _______ just now? —Sorry, I didn’t catch his words. I _______ about something else.
Jim. You are late again. — sorry. I___ next time.
Do you have enough students to carry the boxes? —No, I think we need_________students.