Child as he was，he ________ up with a good idea to solve the problem.
| A．came | B．put | C．kept | D．caught |
Watching too much TV________your eyes.
| A．does harm to | B．is harmful for |
| C．does wrong to | D．do harm to |
Progress ________so far very good and we are sure that the work will be finished on time.
| A．was | B．had been |
| C．has been | D．will be |
There is no need to tell him about it.He seems________the fact.
| A．to know | B．to have known |
| C．knowing | D．having known |
With all the problem________，the boss decided to make a trip.
| A．settle | B．to settle |
| C．settled | D．settling |
You can’t avoid________your test tomorrow________you work hard today.
| A．failing；unless | B．to fail; though |
| C．failing; until | D．to lose；if |