— I just can’t stop worrying about the school results of the midterm examination.
— _______. There is nothing you can do now but study hard, keep calm and do your best.
A. Relax B. Go ahead C. Go for it D. Good luck
— I was surprised to see wild flowers in Alaska.
— Many people think there is nothing there _______ ice and snow.
A. but for B. rather than C. apart from D. regardless of
To lose weight, Mr White______ hiking as a regular form of exercise after he retired.
A.caught on B.took up C.set out D.made for
The more one is_______ the English-speaking environment, the better he or she will learn the language.
A. exposed to B．filled in C．caught on D．kept up
It’s time that you_____with the relief work in the flood-stricken area after the awful typhoon.
A.must help B.can help C.helped D.have helped
Drunk driving, which was once a frequent occurrence, is now______.
A.under debate B.under control C.under construction D.under investigation
