21.You are very _______ to take the trouble to help me. I can not thank you enough.
A. whisper B.vital C.thoughtful D.considerable
22.What’s your favorite kind of music? Do you like _______ music.
A. domestic B.classical C.existence D.feature
23.This nation is noted for its economic _______.
A. uniform B.stability C.gulf D.democratic
24.He wants to _______ his appointment from Monday to Wednesday.
A. transfer B.decay C.advance D.postpone
25.This is what I could do. There is no other _______ for me.
A. sleeve B.residence C.burden D.alternative
21.C 22.B 23.B 24.D 25.D