They are good friends.      is no wonder that they know each other so well.
A．ThisB．ThatC．ThereD．It
D

試題分析：通過分析句子結(jié)構(gòu)，可知這個句子中包含一個主語從句，而主語從句位于句末，故需要It作形式主語，只有It可以作形式主語。
點評：作為形式主語的it并無實際語義，只是為滿足語法上的需要，避免句子頭重腳輕，它代替的是句子的真正主語，概括起來會有如下情況：不定式作主語、動名詞作主語和名詞從句作主語。
練習冊系列答案
相關(guān)習題

科目：高中英語 來源：不詳 題型：單選題

Liu Xiang’s breaking the record in the Asian Games was an exciting moment, ______ all of us will never forget.
A．oneB．itC．the oneD．what

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

It's an either-or situation - we can Buy a new car this year or we can go on holiday But we can’t do     .
A．othersB．eitherC．a(chǎn)notherD．Both

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

________ is reported in the newspaper is that the talks between the two countries are making progress.
A．It　　　B．AsC．That D．What

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Do you expect　_____　to be a possibility that we may have five days off for the coming Dragon Boat Festival?
A．itB．thereC．a(chǎn)sD．this

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

-----Can you come for dinner on Sunday or Saturday?
-----I’m afraid _______ day is possible.
A．eitherB．neitherC．someD．a(chǎn)ny

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

Having sent several mails to apply for jobs, Susan waited for a reply, but ___ came.
A．nobodyB．nothingC．noneD．neither

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

—Silly me! I forget what my luggage looks like.
—What do you think of _____over there?
A．the oneB．thisC．itD．that

查看答案和解析>>

科目：高中英語 來源：不詳 題型：單選題

---Doris, do you have anything in mind______________ you’d like for breakfast ?
---_______________ is okay with me. I’m not particular about food.
A．that; AnythingB．which; EverythingC．what; NothingD．whether; Something

查看答案和解析>>

同步練習冊答案