问题: 需要高手回答问题
487.the house is so old that it is calls ___
a.to repair b.for repairing c.for being repairing d. repairing为什么选Ｂ，那么选Ｃ？
439.___two years to ___after the sick man, she badly needed a holiday.
a. devoting herself, b.devoted, looking c.devoting, looking d.devoted, looked
选哪个呀？Ｂ．Ｃ？答案给的是Ｂ，为什么？
３４２．i have been waiting here ___ mornging; they haven't showed up yet.
a. all the b.the whole C.whole D.the all答案是Ｂ，那Ａ不行么，什么区别？
解答:
487.call for要求 for:prep.
342.the whole day=all morning
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