______April 14 th, 2010, a terrible earthquake(地震) happened in Yushu, Qinghai Province.A. In B. At C. On
– When did the terrible earthquake in Wenchuan happen?-- It happened _________ the afternoon of May 12, 2008.
Boys, don’t touch the machine, or you may hurt _________.
Mrs. Green usually goes shopping with _____ umbrella in ______ summer.
There ________ a basketball match between Class 1 and Class 2 yesterday.
One of the girls ________ from Hong Kong.