—When did you get to know the professor over there? —It was at the work shop we did reserch to gether two years ago.
This is not an economical way to get more water; ________, it is very expensive.
—Which of these two books will you take? —I’ll take ______, in case the journey is boring.
I know this is not quite the right word, but I can’t be bothered to think of _____.
I am looking forward to ______ your answer as soon as possible.
The teacher as well as the students who ______ fond of football, ______ playing together. A. are; is B. are; are C is; are D. is; is