The time is not far away ________ the news will be made known ________ will represent our company to attend the coming medical conference to be held in Beijing.
A. until；who B. when; who
C. before; which D. when; whenever
I'd like the red silk dress__________that black one if you let me choose.
A. other than B. rather than
C. more or less D. more than
You have been painting the house all the morning. ________ that you look so tired.
A. There is no sense B. There is no need
C. It's no wonder D. It's no doubt
__________his immediate help，I gave him some reward，but he refused.
A. In return for B. Because of
C. Thanks to D. In case of
The reference book，mainly__________use in colleges，is a bestseller this year.
A. designed for B. designed to
C. designing of D. designing for
As is known to us all，China is a developing country________the third world.
A. belonging B. belonged
C. belonging to D. belonged to
