【题目】Thousands of people_______ illnesses in dirty hospitals in the past.

【题目】---Fifty dollars for such a T-shirt! You _______ be joking!

【题目】—What’s the population of Tianjin now?

【题目】The little girl had to stay at home ___________________,because her mum is in hospital.

【题目】If you want to learn English better,you can make friends with American students and often talk to .

【题目】The team played well, but they didn’t _____ the competition.

【题目】Tony suffered ______ great pain in the hurdling last year.

【题目】The panda usually eats bamboo a day.

【题目】Don’t _____ here. Look at the sign“No________.”

【题目】It’s _______ to clean up the whole river in such a short time.