Mr Jones, a professor, ___________ for his excellent lectures, is popular with his students.
| A．known | B．knowing | C．to be known | D．having known |
Lily is so kind-hearted a girl that she often gives __________ needs her help.
| A．who | B．whom | C．whoever | D．whomever |
— Are there any flights for Hong Kong tomorrow?
— _______ Why not give a call to find it out?
| A．I’ve no idea. | B．It depends. |
| C．Why not stay longer? | D．Are you leaving? |
They urged that the library ______ open during the vacation.
| A．must be kept | B．is kept | C．would be kept | D．be kept |
The environmentalists said wild goats’______ on the vast grasslands was a good indication of the better environment.
| A．escape | B．absence | C．attendance | D．appearance |
— _______ I ask you something, if you are not busy?
—Yes, of course you _______.
| A．Should; should | B．Could; can |
| C．Could; could | D．Can; Could |