Complete the sentences usingcould, must, may, should, might, ought to, need to, can, have to. Make sure you use the right tense and don’t forget to use negative forms where necessary.
1) Perhaps the damage was caused by heat exposure.
The damage _____________________________________________.(1)
2) We felt sure that the damage was caused by heat exposure.
The damage _____________________________________________.(2)
3) No way was the damage caused by heat exposure.
The damage _____________________________________________.(3)
4) We don’t expect heat exposure to cause any damage.
Heat exposure ___________________________________________.(4)
5) It’s possible that the damage wasn’t caused by heat exposure.
The damage _____________________________________________.(5)
1) Perhaps the damage was caused by heat exposure.
The damage _____________________________________________.(1)
2) We felt sure that the damage was caused by heat exposure.
The damage _____________________________________________.(2)
3) No way was the damage caused by heat exposure.
The damage _____________________________________________.(3)
4) We don’t expect heat exposure to cause any damage.
Heat exposure ___________________________________________.(4)
5) It’s possible that the damage wasn’t caused by heat exposure.
The damage _____________________________________________.(5)
学术英语论文写作
章节列表
Chapter 2 Introduction to Academic Writing3Chapter 3 Citation and Plagiarism9Chapter 4 Textual Development at the Lexical Level16Chapter 5 Sentence Structure5Chapter 6 Writing a Paragraph7Chapter 7 Common Types of Short Academic Essay4Chapter 8 Shaping your Topic and Structure13Chapter 9 Writing Introduction and Method1Chapter 10 Writing Results and Conclusion2Chapter 11 Writing Abstract and Key Words4Chapter 12 Paper Publication5Final Exam32