1. Peter is ______ honest man so people in our village all believe him.
A. a B. an C. the D. 不填
2. It is reported Shenzhou 10 spacecraft will be sent up into space ______ June, 2013.
A. on B. at C. of D. in
3. —Would you like to walk along Yueya Lake with me tomorrow afternoon?
—Certainly, ______ I am too busy.
A. when B. until C. unless D. since
4. We felt ______ when Li Na won the second prize in the Australian Open Championship.
A. proud B. brave C. modest D. successful
