74. _______ is well known, _______ Hong Kong returned to China on July 1st, 1997.

A. It, that           B. As, /            C. As, as           D. It, which

【解析】B 句子中間有逗號(hào)隔開，此句考查的是非限制性定語從句。

73. _______ was known to them all that William had broken his promise ______ he would give each of them a gift. 

A. As; Which         B. What; that      C. It; that           D. It; which

【解析】C。第一空填 it，為形式主語；第二空填that，用以引導(dǎo)一個(gè)同位語從句，修飾 promise。

72. “Look at that lady on the stage. She’s already forty.” “You are joking. She doesn’t look ________.”

A. so                 B. it                C. that            D. this

【解析】 B。it 指 her age。look one’s age 為習(xí)語，意為“容貌與年齡相稱”。

71. Why don’t you bring ______ to his attention that you are too busy to do it? 

A. this                B. what            C. that             D. it

【解析】D。it 為形式賓語，真正的賓語是 that you are too busy to do it.

70. They live on a busy main road. ______ must be very noisy. 

A. There              B. It              C. That             D. They

【解析】B。it 指環(huán)境。

69. They are good friends. _______ is no wonder that they know each other so well.

A. This              B. That             C. There         D. It

【解析】 D。it’s no wonder that… 意為“難怪……”、“……不足為怪”，為英語固定表達(dá)，其中的 it’s 也可省略，即只說 No wonder that…。

68. Does ________ matter if he can’t finish the job on time?

A. this              B. that              C. he             D. it

【解析】 D。it doesn’t matter if…, does it matter if… 等為英語常用表達(dá)。

67. ― I don’t know whether I should go abroad or not, Mum.

― I leave _______ to your own judgment whether you should do it.

A. that              B. it               C. this               D. what

【解析】B。it 為形式賓語，真正的賓語是 whether you should do it.

66. _______ is well known _______ Hong Kong returned to China on July 1st, 1997.

A. It, that                 B. As, /          C. As, as           D. It, which

【解析】A。it 為形式主語，其后的that從句為主語從句。比較下面一題，答案選B：

65. The Parkers bought a new house but ______ will need a lot of work before they can move in.

A. they              B. it            C. one               D. which

【解析】B。it 指前面提到的 new house。注意不能選D，因?yàn)槠淝坝胁⒘羞B詞but。