Personalities ______ from one person to another, ______everybody has his or her own personalities.
| A．change; which is to say | B．change; as is to say |
| C．vary; that is to say | D．vary; what is to say |
Jasper is a great painter. He is _____ Picasso.
| A．as a great painter as | B．as great painter as |
| C．as great a painter as | D．so great a painter as |
Men of this kind _______; we’d better ________.
| A．is dangerous; keep away | B．are danger; keep away from him |
| C．are dangerous; keep away from them | D．is in danger; keep away |
--- I was trying to repair that stupid machine, but I failed.
--- Well, you_______.
| A．needn’t do that | B．needn’t have done | C．needn’t have | D．needn’t |
---What are you busy with ?
--- We are carrying out a research _______ the causes of cancer.
| A．into | B．onto | C．to | D．in |
---I hear there will be ______ talk on English study tomorrow morning.
---Do you mean ______ speech our teacher asked us to listen to?
| A．a; the | B．the; a | C．the; the | D．a; a |