Yao Yuan,a disabled woman, won the National Championships Cup last week.—Mygoodness! She _______a lot of difficulties!

Tom _________ my friend. Tom’s two brothers _________ my friends too.

The population of Africa is____ so rapidly as to cause concern of the whole world.[ ]

Your letter will get attention! They know you’re expecting the answer.[ ]

When it ______ German, I know nothing.