35.其实这里完整应该是I'm worried about whether we can succeed .所以about后面应该接陈述句,所以C不对!
27.这里表达的意思是 knowledge is important to us all.改成感叹句后就在前面加how.而如果选what则语法不对!
35.其实这里完整应该是I'm worried about whether we can succeed .所以about后面应该接陈述句,所以C不对!
27.这里表达的意思是 knowledge is important to us all.改成感叹句后就在前面加how.而如果选what则语法不对!