I'm tired. I（）working very hard.

1、-- I think the Internet is very helpfu

-- I think the Internet is very helpful.--（）AYes, so do IBThat’s a very good ideaCNeither do I

2、----I have tried very hard to find a s

----I have tried very hard to find a solution to the problem, but in vain ----why not consult with Frank? You see, _________.A great minds t...

3、I can hardly understand（）you said.

I can hardly understand（）you said.AwhatBwhichCthatDwho

4、I'm very sorry to have（） you with so m

Im very sorry to have（） you with so many questions on such an occasion.AinterferedBoffendedCimpressedDbothered

5、It（）hard, and I can't go home without

It（）hard, and I cant go home without an umbrella.ArainsBrainingCis raining

6、I thought you might be tired, （） is wh

I thought you might be tired, （） is why I decided to help you.AthatBthisCwhichDas