你想问别人问路时,你应先说声:
She works a bank . A. on B. of C. in
Don’t worry your things . A. on B. about C. at
These are your pens . Put away . A. it B. they C. them
Don’t leave your things this . A. on B. like C. at
What’s that ? a kid . A. Its B. Is C. It’s