. In my opinion, this is not an economical way to get more water; ____, it is very expensive.
This sentence is difficult to understand.Can you makeof it?
None of us expected Lily to _____ at the party. We thought she was still in Beijing.
—Let’s go and have a good drink tonight. 一Have you got the first prize in the competition?
I can’t see the screen.His head is ______.
—Do you think the fine weather will keep up? —______.