( ) (5)Bill is good _____ football.A. at B. in C. for
It is August the _______ today. A.twentyB.twentyth C.twentieth
Can I speak _____Yao Ming, please? A.toB.withC.at
The tree _________ are green in spring. A.leafsB.leavesC.leaf
They _______ the insects carefully. A.watching B.are watchingC.is watching
---When do you watch TV? ---I usually watch TV ______ seven o’clock. A.inB.onC.at