Everything was perfect for the picnic _____ the weather.[ ]

Having arrived at the destination, we were shown around　　　they had lived before.

Mr. Wang made up his mind to devote all he could______his oral English before going abroad .

Are you going to see the film Going Home directed by Zhang Yimou tonight— No. I it on the Internet.

The professor, _____ some of hisassistants, _____ to attend our discussion this afternoon.