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26. By the time he realizes he ______ into a trap, it’ll be too late for him to do anything about it.

A. walks                   B. walked                 C. has walked            D. had walked

分析：C。此處用現在完成時表示影響或結果，句子大意為：等他意識到已步入陷阱時，他就來不及采取補救措施了。

27. —Did you go to the show last night?

—Yeah. Every boy and girl in the area ______ invited.(www.cpsenglish.com)

A. were                    B. have been             C. has been               D. was

分析：D。此題既考查時態的用法，同時又考查主語一致。根據問句中的時態和last night這一短語可知，此處談的是昨晚的事，故應用一般過去時，而不用現在完成時。另外，根據英語語法，當兩個或多個名詞并列作主語，且受到every的修飾時，其后謂語動詞要用單數。故答案選D。

28. My parents ______ in Hong Kong. They were born there and have never lived anywhere else.

A. live                      B. lived                    C. were living           D. will live

分析：A。根據第二句用的現在完成時態可知，說話者的父母親現在還健在，因此排除選B和C；再根據第二句句意——他們出生在香港并從未在其他任何地方居住過——可推他們目前還在香港居住，故選 A。

29. — What is the price of petrol these days?

—Oh, it ______ sharply since last month.

A. is raised                B. has risen               C. has arisen             D. is increased

分析：B。根據句中的時間狀語since last month可知，句子應用現在完成時，故可排除A和D。arise意為“出現，發生，（煙等）從……升起”；rise意為 “（價格、溫度、量等）上升、增加”。故選B。又如：It’s rained steadily since last Saturday. 自從上星期六以來一直下雨。

30. His sister left home in 1998, and ______ since.

A. had not been heard of                            B. has not been heard of

C. had not heard of                                    D. has not heard of

分析：B。根據句末的副詞since可知，句子應用現在完成時，故可排除選項A和C；再根據his sister和謂語hear of之間的動賓關系，可確定答案為B。句意為：他妹妹1998年離家后再也沒有消息。

31. Progress ______ so far very good and we’re sure that the work will be finished on time.

A. was                      B. had been               C. has been               D. will be

分析：C。根據句中so far(到目前為止)可知判斷，句子應用完成式；再根據后面一句中的時態來判斷，句子應用現在完成時。句意為：到目前為止進展非常順利，我們相信這項工作將會如期完成。又如：So far the work has been easy but things may change. 到目前為止，這工作很容易，但情況可能有變化。

32. This is the first time we ______ a film in the cinema together as a family.

A. see                       B. had seen               C. saw                      D. have seen

分析：D。根據英語習慣，在It / This / That is the first / second time+(that)…句型中，從句一般用現在完成時。句意為：這是我們作為一家人第一次在電影院看電影。又如：This is the first time I’ve seen you wearing a dress. 這是我第一次看到你穿一件連衣裙。