21. The third and last chapter _______ by Professor Chen.
|
A．are written |
B．are writing |
C．is written |
D．is writing |
19. The best job is _______ which uses your skills in doing something together with your interest in the subject.
|
A．something |
B．the one |
C．one |
D．it |
18. --- What do you think of the furniture on exhibition?
--- Well, great! But I don’t think much of _______ you bought.
|
A．the one |
B．it |
C．that |
D．Which |
16. Nothing taught by others can have the same effect on you as _____ learned by yourself.
|
A．that |
B．what |
C．which |
D．It |
15. --- Who are the teenagers gathering at the school gate?
--- Well, if you _____ know, they are all my visiting students.
|
A．need |
B．must |
C．may |
D．Will |
14. Many new games are designed on the computers all the time; people of all ages ______ these games.
|
A．are playing |
B．had played |
C．have been playing |
D．Play |
