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Melissa is a cat lover, and she has three Persian cats at home. _______of them are very lovely and friendly.

A.Each B.Every C.Both D.All

I hope to study in a school _____ many flowers and trees in it.

A.has B.have C.of D.with

_______ the night of the Mid-autumn festival, people usually stay together, watching the moon and eating some moon cakes.

A.At B.On C.In D.For

More than__companies attended the 2018 World Artificial Intelligence Conference in Shanghai.

A.two hundred B.two hundred of C.hundred of D.hundreds

I think Flat B is_______ one among the three flats, so I want to buy it now.

A.the most convenient B.most convenient C.the convenient D.more convenient

—Excuse me, where are we going to have our class meeting?

—I’m not sure. Ask our monitor, please. He know.

A.can B.may C.need D.shall

Mum has bought a sleeping bag for the baby_______.

A.to sleep B.to sleep in C.sleep D.sleep in

Simon saw some boys_______ basketball when he was running in the playground.

A.playing B.played C.were playing D.to play

David, _______the birds for me, will you?

A.feeds B.will feed C.fed D.feed

I'd like to walk to school every day ___________walking is good for health.

A.but B.so C.because D.or