He had a clear ______ of what was wrong with the machine and fixed it in a short time.A．de

He found ______ everybody know what had happened.A．it necessary lettingB．it necessary to l

What he said just now had little to do with the question ______ discussion.A．onB．inC．under

What______would happen if he told mom and dad what we had done？A．do you supposeB．will you

The film______him of what he had seen in China.A．remembersB．recallsC．suggestsD．reminds

He wasn t______for what had happened.A．reliableB．respectiveC．responsibleD．provided

At a time of this economic crisis, our _____ should be very clear about what we need t