题目内容：

过去进行时专项练习
三 选择填空
1.My brother ___ while he ___ his bicycle and hurt himself.
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 slipping,looked
3.The last time I __ Jane she ___ cotton in the fields.
A.had seen,was picking B.saw,picked
C.had seen,picked D.saw,was picking
4.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
5.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
6.---Hey,look where you are going!---Oh,I’m terribly sorry.________.
A.I’m not noticing B.I wasn’t noticing
C.I haven’t noticed D.I don’t notice
7.The reporter said that the UFO ___ east to west when he saw it.
A.was traveling B.traveled C.had been traveling D.was to travel
8.I ___ my breakfast when the morning post came.
A.had B.had been having C.have been having D.was having
9.When I arrived at his office,he ___ on the phone.
A.was speaking B.spoke C.had been speaking D.had spoken
10.“What’s the matter,Ali?You look sad.”
“Oh,nothing much.As a matter of fact,I ___ of my friends back home.”
A.just thought B.have just been thinking C.was just thinking D.have just