Many a student ____ that mistake before．（ ）

There _____ he had never seen before.A. a girl did standB. a girl stoodC. did a

I’ve never been to ________ one before.A. a more excitedB. the most excitedC. a

I’ve met him on several _____ before.A. situationsB. occasionsC. positionsD. con

[单选题]Society is nowmuch more [diverse] than ever before.A.colorfulB.attractiveC.

[单选题]Society is nowmuch more [diverse] than ever before.A.colorfulB.attractiveC.

After we made the improvement; there were only ______ as before.A. one-tenth def

The new engine design will ______ the spacecraft faster than ever before.A. puri

— I believe we ve met somewhere before.— No, _____.A. it isn't the sameB. it can

We are glad to see that Shanghai is developing __________ these years than ever

After we cleaned up the room, it looked________than before.A. tidierB. tidiestC.