What did you do before you came here? —I in a factory.

We can get fresh water from rain, from rivers, or from _______ the ground. [ ]

Do you know ____________ the population of China is?—Yes, it has the __________ population in the world, about 1.3 billion.

I was so tired after a day of hard work that I could ______ move any longer.

What’s your favourite sport?—I like .