1.While we __________ (wait) for the bus,a girl __________ (run) up to us.2.I __________ (telephone) a friend when Bob __________ (come) in.3.Jim __________ (jump) on the bus as it __________ (move) away.4.We __________ (test) the new machine when th
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1.While we __________ (wait) for the bus,a girl __________ (run) up to us.2.I __________ (telephone) a friend when Bob __________ (come) in.3.Jim __________ (jump) on the bus as it __________ (move) away.4.We __________ (test) the new machine when th
1.While we __________ (wait) for the bus,a girl __________ (run) up to us.
2.I __________ (telephone) a friend when Bob __________ (come) in.
3.Jim __________ (jump) on the bus as it __________ (move) away.
4.We __________ (test) the new machine when the electricity __________ (go) off.
5.She __________ (not want) to stay in bed while the others ________________ (all,work) in the fields.
6.While mother ________ (put) Cathy to bed,the door bell ________ (ring).
7.As I __________ (walk) in the park,it __________ (begin) to rain.
8.Even when she ___________ (be) a child she ________________ (always,think) of becoming a ballerina (芭蕾舞演员).
9.It was quite late at night.George __________ (read) and Amy __________ (play) her needle when they __________ (hear) a knock at the door.
一定要正确,
1.While we __________ (wait) for the bus,a girl __________ (run) up to us.2.I __________ (telephone) a friend when Bob __________ (come) in.3.Jim __________ (jump) on the bus as it __________ (move) away.4.We __________ (test) the new machine when th
1、were waiting.ran
2、was telephoning.came
3、jump .moved
4、were testing .went
5、did not want.were all working
6、was puting .rang
7、was walking .began
8、was .always thought
9、was reading .was playing .heard