Lily's mother is too busy housework her with her homework.
A. doing; to help B. doing; helping C. to do; helping D. to do; to help
People running everywhere. Do you know what ?
A. see; has happened B. see; happens
C. are seen; is happening D. are seen; is happened
（题文）一Has Lucy gone back to her home in the US?
一Yes. She here only for three days with her friend.
A. stayed B. will stay C. has stayed D. was staying
―Wow, Wendy, it's cool to make a short video with your mobile phone.
―Just with an App called Meipai. Let me show you .
A. why to use B. what to use C. how to use it D. where to use it
I want to know how the money was used and whether it is used in a reasonable way or not.
A. in shape B. in detail C. in demand D. in general
―We must take action to protect our earth right now as time is .
―Yes. Let's get started.
A. coming out B. going out C. putting out D. running out
