【題目】Mom won't let Dick go out________ he promises to be back by 1000 tonight.

A. ifB. whenC. sinceD. unles

【答案】D

【解析】

句意:除非他答應今晚10點前回來,否則媽媽不會讓Dick出去的。A. if如果;B. when 何時;C. since自從;D. unless除非。從句意來看,這里需要一個表假設的連詞,說明后句是表假設的條件狀語從句,結合選項,unless可以引導一個表假設的條件狀語從句,意為"除非",相當于if not,故答案選D。

練習冊系列答案
相關習題

科目:初中英語 來源: 題型:

【題目】Reading the first sentence of each paragraph (段落) _______ you read the whole text helps you get the main idea quickly.

A. untilB. afterC. before

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】The film is so interesting that, I think, it is ________ worth seeing twice.

A. veryB. muchC. wellD. little

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】It's nearly lunchtime. How about having some noodles and dumplings?

.

A. You're welcomeB. That's right

C. That's nice of youD. That sounds good

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】Would you like some tea?

.

A . Yes, please B. My pleasure

C. Help yourself D. The same to you

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】(2017·浙江溫州· 6)________ the scientists have done lots of research on Mars,there is still much waiting to be discovered.

A. If B. Since C. Unless D. Though

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】He wanted to read more, so he asked his friend if there was ________ to read.

A. something easy enoughB. something enough easy

C. enough easy somethingD. easy enough something

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】In the past, we ________ got information from paper books.

A. hardlyB. mainlyC. loudlyD. recently

查看答案和解析>>

科目:初中英語 來源: 題型:

【題目】Tony went to Chengdu by train.

A. 表語B. 謂語C. 定語D. 狀語

查看答案和解析>>

同步練習冊答案