( )---_____ is your mother? ---She is 39.
Do you skip ______ the playground? A. in B. at C. on
What time does school ? A. begins B. starts C. start
选出错误的一项,把错误的选项序号填在括号内,并在横线上改正过来。(每空1分,共10分)
----- _________________-----You can go by the No. 15 bus. A. Can I go on foot?B. How can I get to Yongming Park?C. Where is the Yongming Park?
There are ____ traffic lights.