1】 --I really don't know ____A____
---Don't worry . i will do___help you.
A to do；what I can do
B doing ；what i can
C to do；what i can
D doing；that I can to do
2】I heard_B__that my aunt would come back from Australia.
A a good news B a piece of good news
C a good piece of news D good news
帮我分析一下吧 谢谢^-^
你的答案有点问题吧，第一题what to do , what I can do to 。意思为我真的不知道去做什么。别担心，我将尽我所能去帮助你。前面的是特殊疑问词加动词不定式结构。后面的一空的to 表示目的！
第二题是news 的用法。它的意思是消息，为不可数名词。表示一条消息只能说 a piece of news .
一条好消息就是a piece of good news
一些消息就是some piece of news
C to do；what i can
--I really don't know _what to do_______
---Don't worry . i will do_what i can (do to)__help you.
2 I heard_a piece of good news__that my aunt would come back from Australia.
B a piece of good news
p piece of 一条消息