1 There are so many nice skirts .I dont know which one ____
to choose特殊疑问词后加不定式,不定式搭配做宾语
2 Its ____ that a supmarket will be built in the city .
It is said 据说,听说,传说,it is a saying则为俗语云
3 The girl____her leg seriously yesterday.
hurt 主语搭配人,动物,injure主语是受伤部位,主语是人的时候要用反身代词she injured herself
4 They have been married for _______ 30 years.
nearly表示将近,hardly用于否定,表示几乎（不）
5The girl was often seen________a pair pf glasses to go to school.
to wear,see sb do sth.改成被动的时候不定式省略的to要补回,be seen to do,类似的还有hear等
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