It is dangerous _______ football on the road.
| A．for us to play | B．of us playing |
| C．for us playing | D．of us to play |
—Nowadays WeChat is very popular among friends.
—Yes. It seems to be the best way of communication _____ people like.
A. that B. which C. who
_____ my cousin is very young, _____ she can help with the housework.
A. Once; 不填 B. Though; but C. Although; 不填
—So beautiful flowers! I can’t decide _____ for my mom.
—For Mother’s Day, it can’t be better to take some carnations（康乃馨).
A. when to choose B. which to choose C. how to choose
—What did you do on Earth Day this year?
—We _____ a show to spread the message about protecting the environment.
A. put on B. put up C. put away
So far, the AIIB（亚投行）_____ 57 countries to be the founding members.
A. attracted B. has attracted C. will attract