二、单项填空（本节有10小题，每小题1分，共10分）
21. Many people agree that ______ knowledge of English is a must in ______ international trade today.
| A．a; 不填 | B．the; an | C．the; the | D．不填; the |
The reason why he adapted to the new situations quickly is that he has a _____ attitude.
| A．changeable | B．alternate | C．movable | D．flexible |
--May I have a talk with one of your sports reporters? --Sorry, but all of them are out to______the main events of the day.
| A．get | B．find | C．cover | D．search |
What worried the child most was ______ to visit his mother in the hospital.
A. his not allowing B. his not being allowed
C his being not allowed D. having not being allowed
It was the first time that I _______ visitors since I’d moved to London.
| A．had had | B．have had | C．have | D．had |
Now that their parents are dead, the poor boy doesn’t know ________ the money they left.
| A．how to do with | B．what to do with |
| C．to do what with | D．how he will do with |