—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
Most students like the teachersunderstand them well.
—It’s difficult to get to the other side of the river. —I think a bridgeover the river.
Li Na is famous all the tennis fans in China know her.
More and more people have a low-C life and the air is getting muchthan a few years ago.
—do you know so much about the UFO? —I usually get the information by surfing the Internet.