________brave boy Lin Tao was!

need to give a tip if I eat at a fast food restaurant in theUnited States —Yes, it’s a common ______ to tip waiter in arestaurant.

e is such an occasion ___________ weknow lots of words, but we can’t choose a suitable one to express ourselves.

You___________ stop me.—Even if you __________it, I won’t allow you to swim across the river.

This English story is quite easy for us to read. There are ________ new words in it.