An earthquake happened in Yunnan ________ the evening of October 7, 2014.A. on B. at C. in
—Sorry, I made a mistake again. —________. Practice more and you will succeed.
—Thanks for listening to my problem and ______ me your valuable advice.—__________.
The fat boy always worries about _______ enough food _______ every day. How funny!
Why not ______ your teacher for advice when you don’t know ______ the problems?
Many children _____ your age are always ____ a good mood to do the things they’re interested in.