Having finally reached a tentative laboragreement with its company's pilots, it must now be determined by the airline's board ofdirectors how the airline can both increase profits and compete more effectively for customersthan they did in the past.
(A) it must now be determined by theairline's board of directors how the airline can both increase profits and compete more effectivelyfor customers than they did in the past
(B) it must now be determined by theairline's board of directors how the airline can both increase profits and must compete moreeffectively than in the past for customers
(C) the airline's board of directors mustnow determine both how to make the airline increase profits and compete more effectively forcustomers than they did in the past
(D) the airline's board of directors mustnow determine how the airline can both increase profits and compete more effectively forcustomers than it did in the past
(E) the airline's board of directors mustnow determine how the airline can both increase profits and also how to make it compete moreeffectively than in the past for customers
正确答案是D,就是想问一下A项it must be... how...这种it引导的主语从句不行吗?我之前知道it形式主语或者宾语只能指代to do或that从句,但是how也是引导的名词性从句,如果正过来语序就是how... must be我觉得也是可以啊。或者it形式主语或宾语就是规定就只能是that?那这句如果想这么说只能是how ... must be正这说,如果it引导的话只能是it must be... that how?那这样是不是多了一个关系代词啊? |