Listen! Do you hear someone __________ for help?
| A．calling |
| B．call |
| C．to call |
| D．called |
---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 |
I kept on _______to her until the train disappeared completely in the darkness.
| A．waved | B．to wave | C．waving | D．and waved |