France is ________ European country，and I visited ________ country three years ago.

A．an；theB．a；theC．an；aD．the；the

一 Which dress do you prefer，the red one or the green one？

一 ________ .I like blue.

A．AnyB．EitherC．NeitherD．Both

Over the past few months，Chinese COVID vaccines （疫苗） ________ in many other countries.

A．have arrivedB．arrived

C．will arriveD．had arrived

一 I wonder if this glass is Tom's.

一 It ________ be his.His was broken just now.

A．mustn'tB．may notC．can'tD．shouldn't

一 I can't get on well with my family.

一 Why not talk with them？You should communicate ________ things become worse.

A．untilB．unlessC．afterD．before