21. ---- Oh no! This stupid computer has crashed again!

----Well, you can try ________ one , since there are so many available.

A. another         B. other             C. the other        D. others

22. My morning ________ includes jogging in the park and reading newspapers over breakfast.

A. routine           B. action               C. drill            D. regulation

23. ----Who are you waiting for?

----_________ us a lecture this afternoon.

A. The professor wants to give             C. The professor will give

C. The professor about to give             D. The professor to give