祈使句

Let's ________ close to that big dog. It bites（咬）people.

Complete the sentence: Let's ________ talk in the classroom because some people are studying for the test.

Be quiet, _________ the teacher will（將）be angry.

This is a Christmas gift（禮物）for Jason. Please ________ it and don't let him know. It's a surprise（驚喜）.

The test is very important. _________

Fill in the blank: ________ play on the street. There are too many cars.

________ nice to your sister. She is just five. Don't be so hard on her.

Cindy ________ happy. Everything will be okay.

Please _________ the windows and the door. It's too cold in the room.

Mary: ________ walk too fast. I'm tired（累的）. Cathy: OK. I'll slow down.