It’s quite clever ________ you _______ out the problem.
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.
Taiwan is ____ the southeast of China and Japan is ____ the east of China.