One day when I ____the post office, I _____my uncle.
A. pass ... saw
B. was passing ... saw
C. passed ... was seeing
D. am passing ... am seeing
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The student _____to move the bag of rice _____he heard the sound of a motorbike.
A. was running ... when
B. was running ... while
C. runs ... when
D. ran ... while
Mark _____while he _____ up and down.
A. falls ... is jumping
B. fell ... was jumping
C. was falling ... was jumping
D. felt ... was jumping
While she ________ TV in the sitting room, the bell _________.
A. watches ... rings
B. is watched ... rang
C. was watching ... rang
D. watched ... was ringing
The little girl was ________ her cat while her mother was ________the piano.
A. playing ... playing
B. playing ... playing with
C. played with ... played
D. playing with ... playing
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