来自司伟立的问题
()istodancea.thatinterestsmaryreallyc.whatreallyinterestsmaryd.whatreallyinterestmary为什么?特别是c,
()istodance
a.thatinterestsmaryreally
c.whatreallyinterestsmary
d.whatreallyinterestmary
为什么?
特别是c,


()istodancea.thatinterestsmaryreallyc.whatreallyinterestsmaryd.whatreallyinterestmary为什么?特别是c,
()istodance
a.thatinterestsmaryreally
c.whatreallyinterestsmary
d.whatreallyinterestmary
为什么?
特别是c,
todance是表语,也是实际的主语.
whatreallyinterestsmary是一个主语从句,用what引导主语从句而不是用that.在这里是强调的意思.
因为todance是不定式,所以应该用单数做谓语.
可以转化为todancereallyinterstsmary/itistodancethatreallyinterestsmary.
如果把todance改成todanceandtoplaythepiano
就是选D了.