Sometimes smiles around the world ________ be false, hiding other feelings like anger, fear or worry.
A. must B. can C. should D.would
In the questionnaire, the subjects are questioned whether they ________ no smoking in the public area.
A. agree B. comment C. advocate D. conduct
--- Do you think that the 11th Chinese National Games were a success ?
--- Yes, ___! It couldn’t be ____ .
A. relatively ; better B. approximately ; worse
C. absolutely ; better D. fortunately ; worse
Alibaba has become China’s largest online commercial company, _____ a profit of 1.47 billion yuan in 2010.
A. earns B. earning C. earned D. to have earned
I went to bed very late last night, ___, early the next morning .
A. or rather B. at least C. at most D. in a word
When ___ comes to saving energy , big changes start with small steps , like turning off the lights.
A. that B. this C. it D. one
