You will feel cold ______you don't wear a coat．（ ）
A．soB．thoughC．ifD．unless
Many tourists prefer five﹣star hotels because they think expensive hotels always _____ guests with better service．（ ）
A．preventB．protectC．presentD．provide
About how to achieve a balance between hobbies and schoolwork，Justin asked me for my _____．（ ）
A．positionB．attention
C．suggestionD．introduction
It's _____ for you to keep secrets for your friends． In this way，you can win their trust．（ ）
A．strangeB．necessaryC．possibleD．lucky
Among all Chinese traditional arts， Nancy likes _____ Beijing Opera best because it is really _____ fun．（ ）
A．/； aB．/； /C．the； aD．the； /
I spent the whole night preparing my report．
Don't stay up too late， or you will be tired out． Remember， ．（ ）
A．it never rains but it pours
B．you can't burn the candle at both ends
C．you can't put all your eggs in one basket
D．the grass is always greener on the other side