1.''__________"~"Of course.Here you are"
A.Welcome to our party       B.I'm sorry.I'm late      C.May I borrow your pen?      D.Can I help you?
2.She wourks for an international school in Ha Noi,______?
A.does she     B.doesn't she      C.is she      D.isn't she
3.My school ______go to Ha Long bay for summer vacation.
A.used             B.was used to      C.use      D.used to
4.If it ______,we will go to the movie theater.
A.doesn't rain       B.rains      C.won't rain      D.didn't rain
5.We had better______ all the electrical appliances to save enegy.
A.turn up      B.turn off      C.turn on      D.turn down
6.It is important ______your hands regularly to prevent Covid-19
A.washing      B.wash      C.to wash      D.to washing
7.They didn't stop working ______the rain was heavier
A.though      B.because      C.despite      D.has worked
8.He______in Nha Trang since he left university
A.worked      B.works      C.was working      D.has worked
9.''Would you mind if I sit here?"~"______"
A.No,of course not      B.Yes,please      C.I don't think so      D.Sorry I can't
10.mary scientists are eager to look______life on other planets
A.after      B.for      C.at      D.up