当你想问朋友想不想要一些苹果时，应该问：
A. Do you like some apples?
B. I want some apples.
C. Do you want some apples?
Look at the people ____ the lake.
A. in B. under C. On
Wang Lin is ____ letters.
A. write B. writes C. writing
The bus is ____the station.
A. on B. at C. in
根据提示选择。
（1）This is my friend, Daming. He’s ______（正在照相）
（2）What’s Amy doing ? She’s _______（正在和她的朋友交谈）
（3）What are you doing , Sam? I’m _______（正在听音乐）
（4）What’s Tom doing ? He’s ______（正在看书）
（5）What are they doing? They’re ______（正在划龙舟）
（6）Look at the men under the tree. They’re __（正在下象棋）
（7）They’re _______（正在喝）soybean milk!
（8）Amy is ________（正在跑步）
（9）Daming is ________（正在跳）
（10）What are you doing , Lingling? I’m ______（正在写一封信)