Our teacher told us a funny story ________ made us laugh.
A.when B.which C.who D.whom
In 1958, pinyin ________by Chinese linguist(语言学家)Zhou Youguang and his team.
A.designs B.designed C.is designed D.was designed
Now the Chinese government has made laws ________ wild animals.
A.protect B.protects C.to protect D.protected
—Andy, please ________the book on the floor.
—No problem.
A.pick up B.take off C.put on D.set up
People can reduce ________ pollution by riding bicycles.
A.water B.air C.light D.soil
Both Mike and his sister Lucy ________ good at Chinese.
A.is B.am C.are D.be
