精英家教网 > 高中英语 > 题目详情

【题目】

Since nobody gave him any help, he ________ have done the research on his own.

A. can B. must

C. would D. need

【答案】B

【解析】

试题分析:考查情态动词。句意:既然没有人给他任何帮助,他一定是自己做的那项研究。此处用must表示接近事实的推测。can能够,也可以用在一般疑问句或否定句中表示推测,意为“怎么可能或不可能”;would过去常常,愿意;need需要。

练习册系列答案
相关习题

科目:高中英语 来源: 题型:

【题目】The invention she spent two years on will do good to all the world.

A. which B. who

C. what D. where

查看答案和解析>>

科目:高中英语 来源: 题型:

【题目】If your symptoms don't improve in a couple of days, I advise you to ________ a doctor.

A. consult B. comment

C. conduct D. connect

查看答案和解析>>

科目:高中英语 来源: 题型:

【题目】I should not have laughed if I ________ you were serious.

A.thought B.would think

C.had thought D.have thought

查看答案和解析>>

科目:高中英语 来源: 题型:

【题目】________ more about what is included in the activities, please visit www. playforfun. com.

A. Know B. Knowing

C. Having known D. To know

查看答案和解析>>

科目:高中英语 来源: 题型:

【题目】—What are you doing this Saturday?

—I'm not sure, but I ________ go to the Rolling Stones concert.

A.must B.would

C.should D.might

查看答案和解析>>

科目:高中英语 来源: 题型:

【题目】Death is universal, but life is not. , everyone dies, but not everyone really lives.

A. In other words B. As a result

C. What’s more D. In short

查看答案和解析>>

科目:高中英语 来源: 题型:

【题目】The new technology makes possible for us to communicate with each other over the world.

A. it B. that

C. this D. them

查看答案和解析>>

科目:高中英语 来源: 题型:

【题目】Annie Salmon, disabled, is attended throughout her school days by a nurse _______ to guard her.

A. to appoint B. appointing

C. appointed D. having appointed

查看答案和解析>>

同步练习册答案