Listen ! The matter ___________has somethin
g to do with all of us.
| A．to discuss | B．to be discussed |
| C．being discussed | D．having b een discussed |
It is not enough only________ the rules of grammar if you want to learn English well.
| A．keeping in the mind |
| B．to keep in mind |
| C．to keep in your mind |
| D．keeping in your mind |
He________ the person referred to be put in prison.
| A．said | B．demanded |
| C．agreed | D．thought |
______you I owe a thousand apologies________ having doubted your ability.
| A．For; to | B．To; for |
| C．For; for | D．To; to |
______at in this way, the present situation about birds flue doesn’t seem so disappointing.
| A．Looking | B．Looked |
| C．Having looked | D．To look |
______, I think, and all the problems could be settled.
| A．If you make more efforts |
| B．Making more efforts |
| C．A bit more effort |
| D．To have made more efforts |