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
26.Our teacher always sees the _______ side of everything.
A. spot B.negative C.efficient D.robot
27.If you want to make a call, first, pick up the _______,then deposit a coin in the slot.
A. receiver B.speaker C.microphone D.hook
28.The service in this restaurant is not good. Even the _______ is very dirty.
A. milk B.salad C.soup D.menu
29.I am _______ enough to make up my own mind. You do not need to teach me.
A. young B.mature C.numerical D.guarantee
30.I’m _______ you’ve made the right choice.
A. bond B.confident C.double D.gravity