Jim said he hadn't finished his homework.

A. that B. if C. whether D. where

A 【解析】句意：吉姆说他还没有完成作业。A. that宾语从句是陈述句，用that引导；B. if是否，如果；C. whether是否；D. where在哪里。本句宾语从句是陈述句，故用that引导，故选A。

I think the man is right.

A. when B. if C. whether D. that

D 【解析】句意：我认为那个人是对的。A. when什么时候；B. if 是否，如果；C. whether是否；D. that宾语从句是陈述句，用that引导。本句宾语从句是陈述句，故用that引导，故选D。

He says he won't be free until tomorrow.

A. that B. if C. whether D. what

A 【解析】句意：他说他直到明天才有空。A. that宾语从句是陈述句，用that引导；B. if是否，如果；C. whether是否； D. what什么。本句宾语从句是陈述句，故用that引导，故选A。

I never doubt I am enough clever.

A. that B. whether C. what D. if

A 【解析】句意：我从不怀疑我足够聪明。A. that宾语从句是陈述句，用that引导；B. whether是否；C. what什么；D. if是否，如果。本句宾语从句是陈述句，故用that引导，故选A。

Daddy and Mummy, you are back from the supermarket. Can you tell me ?

A. how you go there

B. how many pieces of bread you buy

C. how much milk did you buy

D. if you bought my favourite ice cream

D 【解析】句意：爸爸妈妈，你们从超市回来了。你能告诉我是否你们买了我最喜欢的冰淇淋吗？A. how you go there你们怎么去那儿；B. how many pieces of bread you buy你们买了几块面包；C. how much milk did you buy你们买了多少牛奶；D. if you bought my favourite ice cream是否你们买了...

--- How long does it take to get to the airport?

--- Forty minutes. But it's foggy today. I'm not sure the expressway will close soon. Let's set off earlier.

A. whether B. when C. how D. why

A 【解析】句意：-----去机场要多长时间？-----四十分钟。但是今天有雾。我不知道高速公路是否会很快关闭。让我们早些动身吧。A. whether是否；B. when什么时候；C. how怎样，如何；D. why为什么。结合句意可知选A。

--- smart boy he is!

--- So he is.

A. How B. What C. What a D. How a

C 【解析】句意：----他是个多么聪明的孩子啊！---他的确聪明。英语中感叹句有两种形式： “what引导的感叹句”和“how引导的感叹句”。在what引导的感叹句中，what是形容词，后面中心词应是名词；在how引导的感叹句中，how是副词，后面跟形容词或副词。其构成形式：1.what+ （a/an）+形容词+可数名词单数+主语+谓语！2.what+形容词+可数名词复数或不可数名词+主语...

______ wonderful concert they are putting on in the city square!

A. How B. What C. What a D. What an

C 【解析】本题难度适中，wonderful是一个形容词，用what ，用a 不是an，答案选C。

--- interesting the storybook is!

--- Yes. I have read it twice.

A. What a B. What C. How a D. How

D 【解析】句意：---这本故事书多么有趣！-------是的。我已经读过两遍了。英语中感叹句有两种形式： “what引导的感叹句”和“how引导的感叹句”。在what引导的感叹句中，what是形容词，后面中心词应是名词；在how引导的感叹句中，how是副词，后面跟形容词或副词。其构成形式：1.what+ （a/an）+形容词+可数名词单数+主语+谓语！2.what+形容词+可数名词复数或不...

—______ interesting the storybook is!

—Yes, I have read it twice.

A. What B. What an

C. How D. How an

C 【解析】考查感叹句的用法。句意：——这本故事书是多么有趣啊！——是的，我已经读过两遍了。感叹句的构成有两种形式：What(＋a／an)＋adj．＋n．＋其他！How＋adj．(＋a／an＋n．)＋其他！根据形容词interesting可知此处用how来引导感叹句。故选C。