__________ without friends __________ the most difficult challenge for Chuck while living on the island.
| A．How did he survive; were | B．How he survived; were |
| C．How did he survive; was | D．How he survived; was |
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 |