Because of the Russian gas limit to Europe, attempts to use botanical fuel as a source of power．
| A．have made | B．having made |
| C．are being made | D．will be making |
As most of their houses were badly damaged after the earthquake, many people had to be in a stadium.
| A．put away | B．put out | C．put up | D．put off |
— Amazing! You wear slippers at work.
— Don’t you know it’s a fashion?
| A．might | B．should | C．could | D．would |
— You should have come to the party last Saturday evening. It was really fantastic.
— But a friend an unexpected visit to me.
| A．paid | B．had paid | C．would pay | D．has paid |
As a result of the terrible snowstorm, the highway has been closed up, so you have to wait for further .
| A．introduction | B．attention | C．notice | D．advice |
Lily is popular among her classmates she can be annoying at times.
| A．in case | B．even if | C．as if | D．so that |