Size and type do not matter – you ______ do almost anything if you never give up.
A.should B.must C.need D.can
Tom's iPad is much newer than___________. And it is also more expensive.
A. I B. me C. my D. mine
Peter spoke so ________ that I could hardly hear him.
A.quietly B.loudly C.clearly D.patiently
After that terrible disaster, the officer had no choice but to ________ calm to deal with different problems.
A.require B.remind C.remain D.reduce
My little sister is ________ and she always asks me different kinds of strange questions.
A.creative B.wise C.curious D.generous
The ________ of antibiotics (抗生素) in the 20 century has made a great difference to human beings.
A.trust B.instruction C.method D.discovery