If there be a global nuclear war， life on the earth as we know it____ end forever.
| A．will； will | B．should； would |
| C．were to； will | D．is to； would |
---What's he size of the smaller one?
---It's _______.
| A．half bigger | B．half as big | C．as half big | D．half the same |
---Why isn't he in the hospital with his injured mother?
---No one ______ him of the accident.
| A．informed | B．informs | C．had informed | D．has informed |
---When will you be back?
---________.We'll meet at the end of the month.
| A．About two weeks | B．Every two weeks | C．In two weeks | D．For two weeks |
Let's ready to foot it ________there're neither buses nor taxies.
| A．though | B．since | C．while | D．if |
The ______ on her face told me that she was in a blue mood.
| A．appearance | B．attitude | C．impression | D．expression |