—Do you know Li Na?
—Of course. She's a great tennis player_________ comes from Hubei, China.
A. who B. what C. which
We'll hold a party in celebration of the 90th birthday of the CPC （中国共产党）
_________ Friday.
A. in B. on C. at
—Miss Zhou is very popular with the students.
—Yes. Her classes are_________ lively and interesting.
A. always B. sometimes C. hardly
Mrs. Weng came back from France in 2010. She _________ there for four years.
A. works B. worked C. has worked
We must______ using plastic bags in order to protect our earth..
A. give out B. give up C. give away D. give in
Parents often ask us _____ water in our life.
A. save B. savin C. to save D. saves
