I was impressed by the ______with which the information would be retrieved.A) baseB)

I was impressed _______ the efficiency of the work

The party, ______ I was the guest of honor, was extremely enjoyable.A．by whichB．for whichC

As the road was blocked by a rock, the travelers had to ______ up a rocky slope on their w

I was impressed by the range of______ accessories of my microcomputer that were available.

The reason why many production processes were taken by the marketplace was that ______.A．i

Yesterday I had a hard day and it was already dark______I left the laboratory.A．by the tim