. The result depends on the use we _______ the energy.
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---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 |
The baby stopped crying though she understood ________ of what her mother was saying.
| A．a little | B．little | C．a few | D．few |