—What ______ the number of the students in your school?—About two thousand. A number of them _____from England.
In many places in China, the old over 90 ______not only by their family but also by the government.
— ______ is the price of the movie So young ?—About 70RMB each
How kind Wang Qiang is ! He always does what he can _____others.
— When will Mr.Brown be back to China ?— Sorry, I don’t know ________.
—I’m not sure ______there are living things on other planets or not .—Even scientists aren’t sure about it.