There’s______ ink in my pen. Could you give me some?

Let’s ask Michael. I think he can _______ a good idea about how to deal with this problem.

_____is the population of the city?

— Dad, must we wait for the green light? — Yes, I’m afraid we ________. That’s the traffic rule (规则).

 -----__________ can you finish the English examination?----In about one and a half hours.