_______ is well known is ________ theDiaoyu Islands have been part of China since ancient times.

If you want to succeed, you have to it[ ]

___ yournew desk-mate —Well, she isnice except that she talks a little too much.

providing entertainment, the websitealso turns out to be a helpful learning tool

In what way will you use your portable computer?— I’ll use it _____ for giving lectures at home and abroad