4、t.表示闻一闻。答语可以为:It'snice.Close…表示合上……例如:Closeyoureyes.表示“闭上你的眼睛”。[相关链接](1)祈使句的肯定形式(2)祈使句的否定形式句首是动词原形或please。Don't(Donot)+动词原形。Touchthedesk.摸摸桌子。Don'trunintheclassroom.Pleaseopenthedoor.请打开门。不要在教室里跑步。随堂练 I.用括号内所给动词的适当形式填空。 1. __________ (not, be )late. 2. ____________ (dust
5、) the dressing table. 3. ____________ (not, speak) with your mouth full of food. 4. ____________ ( not, talk) and ____________ (read) a book. 5. ____________ (not,drop) the nice vase, Sam. 6. ____________ (look) out! A car is coming. 7. ____________ (give) us ten years a
6、nd just see what our country will be like. 8. ____________ (not, let) the baby cry. 9. Open the window and ____________ (shut) the door. 10. Let’s ____________ (sweep) the floor.Keys:略。 II.选择填空。 ( )1 .The doctor says: “________ work so hard” A. Stop B
7、. Don’t C. Can’t D. No( )2. ________ in bed. It’s bad for your eyes. A. Not to read B. Don’t read C. Don’t to read D. Not read ( )3.Please ________ look outside. Look at the blackboard. A. not B. don’t
8、 C. aren’t D. can’t ( ) 4. The TV is too loud. Please________. A.turn it down B. to t