Mobile phones are very common now and they are than before.
My teacher promised to ______ my suggestions, so I gave him some ______ .
Mr. Wang is ______ his wife in social standing(地位), because his wife has made more contributions to our society than he has.
—How great Sun Yat-sen is!—Yeah, he has ______ the Qing dynasty.
.—Wow, what ______ snow!—Yeah, it must have snowed ______ last night.
—Have you read the poems ______ by Du Fu?—Of course, many of them.