21. I was halfway back to the hospital where the doctor was working______Susan caught up with me.
A. when B. while C. until D. though
22. —John, how did your English exam go?
—I thought I________have failed, but in fact I came in the top 10 in the class.
A. should B. couldn’t C. might D. mustn’t
23 --- When will you be through with your work, Jones?
---_______? My boss usually finds something for me to do at the last minute.
A. Would you help me B. Who knows C. I beg your pardon D. Anything the matter
24. Carbon dioxide____from burning fuels is the most common of the so – called greenhouse gases.
A. producing B. having been produced C. to be produced D. produced
北师大版六年级英语下册 Unit 11 (第三课时)
2016秋科普版英语六上Lesson 6《It’s on the fifth floor》ppt课件3
2016秋科普版英语六上Lesson 1《Are you going to have a birthday party》ppt课件1
2016秋科普版英语六上Lesson 4《What kind of books will you buy》ppt课件1
Unit 12 Review(第四课时)北师大六年级下
2016秋科普版英语六上Lesson 1《Are you going to have a birthday party》ppt课件3
2016秋科普版英语六上Lesson 3《It will be sunny this Sunday》ppt课件3
2016秋科普版英语六上Lesson 6《It’s on the fifth floor》ppt课件4
Unit 12 Review(第五课时) 北师大六年级下
北师大六年级下第11单元第3课时
北师大六年级下第11单元第4课时
牛津小学英语6B Unit 4课件
牛津6B Unit 5 D E部分
北师大版六年级英语下册课件第7单元(第三课时)
2016秋科普版英语六上Lesson 1《Are you going to have a birthday party》ppt课件5
北师大版六年级英语下册Unit 9 Lesson 4
2016秋科普版英语六上Lesson 2《What are you going to do tomorrow》ppt课件1
北师大版六年级英语下册Unit 7(第四课时)
牛津6B Unit 6 A部分对话演示
2016秋科普版英语六上Lesson 10《Revision》ppt课件1
北师大版六年级英语下册第12单元(第五课时)
Unit 12 Review(第一课时) 北师大六年级
2016秋科普版英语六上Lesson 7《What’s the date today》ppt课件1
2016秋科普版英语六上Lesson 1《Are you going to have a birthday party》ppt课件2
2016秋科普版英语六上Lesson 6《It’s on the fifth floor》ppt课件1
牛津6B Unit 3 Asking the way公开课
2016秋科普版英语六上Lesson 4《What kind of books will you buy》ppt课件2
2016秋科普版英语六上Lesson 3《It will be sunny this Sunday》ppt课件2
2016秋科普版英语六上Lesson 6《It’s on the fifth floor》ppt课件2
北师大版六年级英语下册第12单元(第四课时)