( ) (1) 当你问别人你多大了时, 你应该说:A. How are you ? B. How big are you ? C. How old are you ?
---Why do you like summer best? ---______ I can swim in the lake. A.BecauseB.SoC.And
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