----______ nice present you've bought for me!----I'm glad you like it.
[11·阜康中考]—What’s your father? —_________
Here is _________ for you _________ a waiter.
When you are in trouble(麻烦), you can _________ help _________ the police.
Don’t _________ shorts in the classroom.
The teacher wants his students _________ hard.