21.----- We’d like you to start work tomorrow if possible.
------ I’m sorry, but I can’t possibly start until Monday. ____________?
A. Do you agree with me B. Is that a good idea
C. Do you think I’m right D. Will that be all right
22. __________I am concerned, we can walk or take the bus rather than call a taxi.
A. Now that B. As soon as C. So long as D. As far as