You’ve read the Frog by Moyan , haven’t you?—Yes, I_______ second time and I got a better understanding.

Do you know________?——This afternoon.

I am sorry you’ve been waiting so long, but it will still be some time __________ Brain gets back from his holiday.

The movie is too exciting, so people _____ 60 should not see it.[ ]

Its population is almost ________ of the world’s population.