any cities in China dreadfully blanketed by thick haze, the environmental problem is _____ Chinese people concern most nowadays.

I promise that sheget a nice present on her birthday.—It will be a big surprise to her.

How about the dishes—Fantastic! Nothing tastes _________.

I’m really sorry to have_____ so much of your time. [ ]

____ to the meeting on time tomorrow. It’svery important.