Thomas _____ a soldier, for he is much too short.
| A．needn’t be | B． should be | C．may be | D．can’t be |
So far we have done a lot to build a low-carbon economy, but it is ____ ideal (理想). We have to work still harder.
| A．next to | B．far from | C．out of | D．due to |
There was a _____ look on his face. He found what the expert said too difficult to understand.
| A．puzzle | B．puzzling | C．puzzled | D．to puzzle |
According to the literary review, Laoshe ____ his characters live through their languages in his plays.
| A．will make | B．had made | C．was making | D．makes |
People are using more and more natural gas, wind and other forms of _____.
| A．energy | B．force | C．power | D．strength |
I’d appreciate ____ if you would like to teach me how to use blog and twitter on the Internet.
| A．that | B．it | C．this | D．what |