21、 ___ that they may gradually reduce the amount of labor by 90 percent.A、So clever are the construction robotsB、So clever the construction robots areC、Such construction robots are cleverD、Such clever construction robots are

The police ___ ___ ___ the cases said that they were ___ ___the search for the murderer They requested ___ they get enough food and ___ they be given better housing.A./;whether B.that;/ C.that;what D./;that选哪个,为什么? 英文翻译：飞行员表示他们一点也不累.The pilots said that they were__ __ ___ ___. Is that ___ her telpone number?They are ___ apples.怎么填冠词? Is that ___ her telpone number?They are ___ apples.怎么填冠词? a few weeks later,they flew to that city (改为同义句)a few weeks later,they left ___ that city ___ ___ 同义句转换：It seems that they have known each other .They ___ ___ have known each other .同义句转换：It seems that they have known each other .They ___ ___ have known each other . I think they need more time ___ (study) so that they can get good grads they are ___ little bys that they can't look after themselves.A.so B.such I'm surprised that they can piay beach volleyball in this heat.同义句I‘m surprised ___ that they can play beach volleyball ___ ___ ___ ___ ___. It' not easy for them to work out that problen.改为同义句They ___ ___ ___ ___ working out that problem. ___ they have been working hard to find?Ais that what Bis that Cit is that Dis it that It was not until it got dark ___ _______ working.A.that they stopped B.when they stopped C.did they stop D.that they didn't stop They say that ___ Japanese languagesA.theB.不填完整的句子：They say that ___ Japanese languages is particular difficult for an European.Why? They finish the work so quickily that they can piay soccer then .的同义句.转换为 They finish the work quickily ___ ___ ___piay soccer then. 英语同义句转换I found that they were good.I found them ___ ___ good同义句转换,每空一次I found that they were good.I found them ___ ___ good. 英语翻译they ___John ___ ___ ___. GSC said that they had to try 80 times ___ they succeeded.应该填until还是 before