There is not much difference between the two watches. I don’t know ______. Do you have any suggestions —I don’t know , _____.

It’s ___ so easy as you imagine

I found it _________ to watch the baseball match last night.— Me, too. I have never watched a better one before.

In the bubble years, lending standards slipped ______,allowing many people to put far too much of their income into paying for their housing

Measures must be taken to prevent pollution ________happily