Nobody taught _____ Chinese. He learned all by ______. What a clever boy!

Look at the wall. There are some pictures ______ it. —And there are two windows ______ it. [ ]

Have you got any books on English grammar? I want to borrow______.Yes, here you are. But you must return it by Friday.

More and more foreigners are working in China, ______?

It is no good continuing to work too hard like him. —No, as the proverb goes, “_____”