Usually before exams, the students ____two minutes to write down their names.

— Food problem is becoming a big one in China! —I think the food ________ before going to shops or supermarkets. 

—Many tourists ________to the Great Wall every year.—Yes, that’s true.

In many places in China, the old over 90         not only by their family but also by the government.

The man is very ill and he has _______.