How many workers are there in your factory, Mr Brown—________ workers in our factory _________2000.

He didn’t feel a bit nervous when _____.—No. He’d had a lot of time _____ for it after all.

Is your home close to the school, John—No, it’s a long way, but I am ________ late for school because I get up early every day.

Could it be possible to make an ________ (预约) with Mr. Clinton sometime tomorrow

he successful launch of Tiangong-l, which was_____ breakthrough in space field,China’s space dream took a step closer to_____ reality