听录音，圈出你所听到的单词。
（1）singsignsong
（2）litterlittleletter
（3）boughtbrought caught
（4）wonderfulcareful beautiful
（5）smokesocksmall
从Ⅱ栏中找出能回答Ⅰ栏的选项。
Let’s this afternoon.
A. do shopping B. doing shopping C. do shop
Look, Su Hai and I ice creams.
A. am eating B. ate C. are eating
He sing very well ten years ago.
A. can B. couldn’t C. can’t