Every year lots of trees _______ to make our country more beautiful.
A．is planted B．was planted C．are planted D．were planted
--Listen! Is it Linda singing in the next room?
--No, it __________ be her. She is still in Shanghai.
A．can't B．couldn't C．may not D．might not
-- __________ beautiful city!
--Yes. Lots of tourists come to visit it every year.
A．How B．What C．How a D．What a
--I lost my MP4 on my way home this afternoon.
-- _________! You must be careful next time.
A．Take care B．Look out
C．Pay attention to D．What a pity
--I hear Jack Chan will come to Laiwu next week.
--Really? _______ he comes, my younger sister will be very happy,
A．If B．Until C．Unless D．Before
--Alice, please tell Eric to call me when he _____ back.
--No problem.
A．come B．comes C．came D．will come
