It isn’t a simple job. It’s ______for me to finish it in thirty minutes.

The U.S. government on Wednesday ________ former Commerce Secretary Gary Locke as ambassador to China, making him the first Chinese-American ever to take the post.[ ]

I believe we’ve met here before.— No, ________. It’s the first time I’ve been here.

He is only a child， he knows a lot．

Sally is the girl _____ I think is likely to win the first prize in the competition.