In a few years, China will be able to produce camera recorders on a large ______.

I think robot will play an important role in our life. Don’t you think so?—Yes. _________________________.

Excuse me, could you tell me ？– Go along this street until you see some buildings with golden roofs.

I didn’t sleep ______last night. I feel tired now.

The man looks so old that. I guess he must be _____sixty years old. [ ]