Speaking of all the songs he has written, I think this is probably his ________ one.

The islands developed on their own for 80million years and ________ have many rare animals found nowhere else.

I’m going to Sanya for my holiday tomorrow.—_______A．Have a goodtime!

The famous scientist, ____ a dinner party will be held tonight, is to arrive soon.

Here ____！ Where is Xiao Liu — There ____.