【題目】Only when he reached the tea-house _________ it was the same place he’d been in last year.
A.he realizedB.he did realize
C.realized heD.did he realize
【題目】Every possible means ________ to prevent the air pollution, but sky is still not clear.
A.is usedB.are usedC.have usedD.has been used
【題目】Let’s look at the bag. Can you see ______“s”on the corner of______ bag?
A.a, aB.a, theC.an, aD.an, the
【題目】They realized that the problem Ted put forward was difficult _______.
A.to solveB.solvedC.to be solvedD.solving
【題目】You need to ________ here, for the ground is wet and soft on either side of the path.
A. watch outB. stand outC. figure outD. work out
【題目】There’s no chance that we can change the history. _______, it is important that we learn lessons to face the future.
【題目】He’s given me so much help that I really wanted to do something for him _______ .
A.in turnB.in advanceC.in returnD.in case
【題目】The boy pretended _____ a magazine when the teacher came in.
A.to readB.to have readC.to be readingD.reading