Gina used to live in the countryside with her parents, but now she is used to ________with her classmates at school.
A.live B.living C.lived
—Do you know that we have already made great progress in 5G?
—Oh, ________exciting news!
A.how B.what an C.what
Tom. together with his friends, often________ to the old people's home to cheer the old up.
A.go B.going C.goes
Look at the sign "No swimming", it warns us ________ in the lake.
A.to swim B.not to swim C.swimming
There ________ something wrong with my mobile phone. It can't work these days.
A.must be B.can't be C.may be
________ you keep moving, you'll never reach the top of the mountain.
A.If B.Although C.Unless
