A)单项选择。从A.B.C三个选项中选择正确答案填空。（共10小题，计10分）

21.     ________terrible news! Three of us didn’t pass the exam.
A.What          B.How           C.What a

22.     Peter, please turn off the TV________no one is watching it.
A.so that        B.though        C.when

23.     --Shall we climb hills this Sunday?--________.
A.Good idea          B.You’re welcome        C.You’re right

24.     --Will you go to the ________this afternoon?--Yes. I want to go swimming.
A.gym                  B.station                       C.supermarket

25.     --Must I return the book today?--No, you________. You can do it tomorrow.
A.cant’                  B.needn’t                     C.mustn’t.

26.     --________you ________to Nanhu Park a week ago?--Yes. We had a good time there.
A.Do, go               B.Did,go               C.Did, went

27.     Yesterday was his________birthday. He enjoyed himself.
A.twelfth               B.twelve                C.the twelfth

28.     Look! This house is as________as that one.
A.the most beautiful             B.more beautiful           C.beautiful

29.     Our teacher tells us________on the street because it’s too dangerous.
A.not play soccer          B.not to play soccer              C.to not play soccer

30.     --I wonder________.--Maybe she had something important to do.
A.why she left early             B.why did she leave early             C.why left she early