I don’t think Jim saw me; he __________ into space.
A. just stared B. was just staring
C. has just stared D. had just stared
【分析】此题应选B。主要考查动词过去进行时的基本用法(即动作在过去某一时刻正在进行)。此题的上文设置比较巧妙：前面的主句用了I don’t think(指现在的看法)，而其后的宾语从句用的是saw(指过去的动作)，也就是说此题的语境是：现在谈论过去的情况，全句意为：我认为吉姆当时没看见我，(因为)他当时正在朝天空看。
1. My brother ________ while he ________ his bicycle and
A. fell; was riding B. fell; were riding
C. had fallen; rode D. had fallen; was riding
2. Tom ________ into the house when no one __________.
A. slipped; was looking B. had slipped; looked
C. slipped; had looked D. was slipped; looked
3. As she ________ the newspaper，Granny _________ asleep.
A. read; was falling B. was reading; fell
C. was reading; was fallling D. read; fell
4. I first met Lisa three years ago. She _________ at
a radio shop at the time.
A. has worked B. was working
C. had been working D. had worked
5. While I ________ a shower，the telephone rang.
A. took B. had taken
C. had been taking D. was taking
答案：1. A 2. A 3. B 4. B 5. D