Food aid______ is the key to______ the problem _______ now.
| A．only, solve, discussed | B．alone, solving, being discussed |
| C．merely, solving, being discussed | D．alone, solve, being discussed |
―Excuse me, Sir, but could you tell me how to go to the railway station?
―Sorry. You’d better ask, I’m afraid, ______ is a native.
| A．whom | B．who | C．whomever | D．whoever |
As a coach, you should know clearly about the direction ______ your team should develop.
| A．to which | B．from which | C．in which | D．for which |
_______ several times, but he still doesn’t know how to do it properly.
| A．Being shown | B．Having shown him |
| C．Having been shown | D．I’ve shown him |
― Have you finished your composition already, Jack?
― Yes. I _____ it within half an hour.
| A．have finished | B．finish | C．finished | D．will finish |
With the development of science, more new technologyto the field of IT.
| A．has introduced | B．is being introduced |
| C．is introduced | D．was introduced |