— Why hasn’t Diana come?
— The invitation letter ______ to Dorothy by mistake.
A.e-mailed B.has e-mailed C.is e-mailed D.was e-mailed
Prevent noise pollution, ______ we can live in a quiet environment.
A.and B.or C.but D.nor
As an adult, you should ______ your own decisions and actions.
A.be responsible for B.be thirsty for C.be thankful to D.be patient with
—How do you like the TV program Downton Abbey?
—Fantastic! It is a pity that I ______ the beginning of it.
A.missed B.was missing C.had missed D.miss
Our monitor always sticks to his own ideas, and ______ could change his mind.
A.anything B.something C.nothing D.everything
— My Chinese book is nowhere to be found. Where ______ it be?
— Is it under the sofa?
A.could B.must C.will D.need
