We have improved our ________(know)by studying in class and practicing after class．

“Where is your father?” “He has gone to Shanghai on ________．”(busy)

Of all the ________(activity), I like reading most．

Do you know who is ________(clever)of the two?

Teachers should speak to their students in a ________ way．(friend)

We went there________(direct)without stopping．

The ground is covered with fallen ________(leaf)．

That’s the ________(enter)to the hall．Please come this way．

Which do you think is ________(fun)story of all?

In our school three ________(nine)of the students want to watch the football game．