--- It is weeks since he ___.
---So it is. We’d better ask some one else to help us.
| A．fell ill | B．was ill | C．is ill | D．has been ill |
It is often said that _________ teachers live _________ very easy life.
| A．the;不填 | B．不填;a | C．不填;不填 | D．the;the |
_____ you are supposed to do _____ you don’t like a thing is changing it．Don’t complain．
| A．That; what | B．When; that | C．What; since | D．What; when |
He is color-blind and can’t _____ red from green．
| A．distinguish | B．discover | C．forecast | D．recognize |
_____ I accept that he is not perfect, I do actually like the person．
| A．While | B．Since | C．Before | D．Unless |
I could hear their voice, but I couldn’t _____ what they are saying．
| A．make for | B．make up | C．make out | D．make off |