填写单词的正确形式。
1.We have six________.(lesson)   
2.What subjects do you________(like)?   
3.What lessons______(do)Joe have today?  
4.This is________(we) timetable for today.   
5.She________(have) Chinese in the afternoon.

—Does Mike often ____ kites at the weekends? （  ）
—No, but he ___ kites with me last weekend.

A．fly, fly

B．flew, flew

C．fly, flew

—Hello! May I ______ Mike? （   ）
—Speaking.

A．speak

B．speaks

C．speak to

用所给单词的适当形式填空。
【小题1】Water is very________(use).
【小题2】We use wood________(make) chairs.
【小题3】Trees help________(keep) the air clean.
【小题4】________(protect) the Earth, we should________(save) water.
【小题5】Look! They________(do) a project.
【小题6】Please tell________(they) about Christmas.
【小题7】He starts________(sing).

Robots can ________ with us. （   ）

A．talks

B．talking

C．talk