The first 5G mobile phone ___________ by a Chinese company last year.
A.is produced B.produces C.was produced D.produced
We have decided to sell five things ________ we no longer use.
A.what B.where C.who D.that
The subway in Changchun is open to the public. __________ exciting news it is!
A.What B.How C.What an D.How an
—I like the two sweaters, but I can only afford _________ of them.
—I suggest you take the black one.
A.all B.both C.neither D.either
Jessica really enjoys travelling, and she _________ many foreign countries since 2010.
A.visit B.will visit C.has visited D.was visiting
—Mum, I’ve signed for the box at the Cainiao Post. What’s in it?
—I’m not sure. It _________ be a present from your uncle.
A.need B.may C.must D.will
