The importer will submit references if these （） given in the preliminary negotiations.A、are notB、had not beenC、has not beenD、were not

第1题

Proper controls that should()developed as part of routine safety procedures were not in place.A. has beenB. have beenC. be

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第2题

“if they hadn’t gone on vacation, their house _______________ broken into.“A. haven’t had beenB. hadn’t beenC. won’t have beenD. wouldn’t have been

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第3题

The travels of Marco Polo in the twelfth century would not have been so well known ____ for the book he Wrote while in jail.A、it not have beenB、is not beenC、had it not beenD、has not been

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第4题

As we were driving along we saw a good restaurant, so we stopped () dinner.A、havingB、to haveC、having beenD、to be had

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第5题

If he ______ forced to make a living from the outset, he would not have been able to follow his passion.A、has beenB、would have beenC、had beenD、was

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第6题

The goods ()shipped already if your L/C had arrived by the end of December last.A、would beB、must have beenC、had beenD、would have been

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第7题

There _____ no further business, the meeting came to a stop.A. wasB. has beenC. beingD. had been

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