题文

Who's ____________ duty today?

[     ]

A. in  B. on C. at D. from

题型：单选题  难度：偏易

答案

B

据专家权威分析，试题“Who's ____________dutytoday?[ ]A.inB.onC.atD.from-六年..”主要考查你对  介词短语  等考点的理解。关于这些考点的“档案”如下：

介词短语

考点名称：介词短语

• 介词：
  是一种用来表示词与词,词与句之间的关系的词。在句中不能单独作句子成分。介词后面一般有名词代词或相当于名词的其他词类，短语或从句作它的宾语。
  介词和它的宾语构成介词短语，在句中作状语，表语，补语，定语或介词宾语。
  例： infrontof在……前面 infrontof意思是“在……前面”，指甲物在乙物之前，两者互不包括；
            其反义词是behind（在……的后面）。
  例：Therearesomeflowersinfrontofthehouse. 房子前面有些花卉。

• 常见类型：
  1、介词+名词形式：
  of course当然，自然，无疑 ；in detail详细地 ；on duty值班，上班
  2、动词+名词形式：
  take care小心，当心 ；tak ecare of照顾，照料  ；take place发生，进行
  3、动词+介词形式：
  ask for请求，要求  ；arrive at达成，得出 ； call for邀请，要求，需求
  4、动词+副词形式：
  come up走近，上来，发生，被提出 ； get in进入，收获，收集

• 小学常见介词短语：
  1. wait for 
  等候  Wait for me. I want to go shopping with you.
  2. help ---with--- 
  帮------干------  I can help my mom with some housework.
  3. at home
  在家 He was not at home yesterday.
  4. hold on
  保持，别挂机  Hold on, please. He’s writing an e-mail in the study..
  5. on foot
  步行  I go to school on foot.
  6. get to
  到达  I usually get to school at 8:00 am.
  7. get on
  上车   Get on the No. 28 bus when it stops.
  8. get off
  下车   Get off at the third station.
  9. turn on
  打开 It’s dark in the room. Please turn on the light.
  10．turn off
   关闭    We should turn off the light before we leave.
  11. on holiday
  度假  My family are going to Canada on holiday.
  12. play with
  (与)------玩  I can play with the snow in winter.
  13. a glass of
  一杯  There is a glass of water on the desk.
  14. put on
  穿上 It’s cold today. Put on your sweater please.
  15. take off
  脱下  It’s hot now. Take off your coat.
  16. put away
  放好  Put away your books. We are going to have a P.E class.
  17. look for
  寻找  I am looking for my dog.
  18. on time
  准时  I get to school on time every day.
  19. in time
  及时   The man fell down. The doctors came in time.
  20. go on a trip
  去旅行  We are going on a trip tomorrow.
  21. at night
  在深夜 The policeman usually works at night.
  22. be grateful to
  感激某人   I am very grateful to my mother.
  23. listen to
  听------   I like listening to music.
  24. pass ---to---
  给------传递------ He passes the ball to Mike.
  25. fly into
  飞进------   The ball flies into John’s face.
  26. run into
  跑进……  I run into the hotel.
  27. what for
   为什么   But what for?
  28. come on
  加油！ Come on!