It’s a fine day today. Let’s _____ around the park, OK?

I think ______ with friends is better than_______.

I’m very sorry to keep you _____ for a long time

I’d rather ________ a teacher when I grow up．

Eddie is lazy enough _________all day without _________.

The student is afraid _________ English with foreigners.

By         local doctors and nurses ,we hope to help even more people .

Your son has kept _________ for two hours. You’d better ask him to have a rest.

At least 300 million people are using QQ_____ by Ma Huateng to chat online.

The thief was noticed _____the office building by the back door on the screen.