1．You'd better learn some ________ (base) Chinese before you come to our school. Only in this way can you get used to the life here soon.
2．Our school lies in Tianjin city, which is beautiful. In autumn, it is neither too hot ________ too cold.
3．As a result, we often take part in ________ (various) of afterschool activities.
4．As is known to us, China is widely known ________ its ancient civilization.
5．Henry told me that there was a time _________ he stayed up every night going over his lessons.
6．My mother won't allow me to lie to her no matter ________ happens.
7．Sometimes I enjoy ________ (play) the piano, but sometimes I find it is really boring.
8．All possible means have __________ (try) to find a way to settle the problem.
9．What is your attitude ________ senior high students taking up a parttime job?
10．As is known to us, the panda is native_________ China.
