Look! Lucy is _______ a new bike today.
| A．jumping | B．running | C．riding | D．talking |
---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