—I have a fever and a headache.— .
There are more and more foreigners coming to China. So I think English is ____ useful than before.
Liu Xiang is ____ popular ____ many students are talking about him in and out of school.
We all want to know ____ the famous writer will come to our school or not.
—Do you know when ____? I miss him very much.—Don’t worry. I will tell you as soon as ____.
____ we rode our bikes for one and a half hours, we ____ the bookstore.