I first met Lisa three years ago. She _______at a clothes shop at the time. 
#101242
A
has worked
B
was working
C
had been working
D
had worked
推荐题目
In the past twenty years great changes _______in China.
#103431
A
were taken place
B
have been taken place
C
have taken place
D
were happened
Some of the engines were not suitable for the work they were ________ for.
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A
intended
B
to intend
C
intending
D
being intended
 We arranged to meet at 8:00 , but she never__________.
#99320
A
turned up
B
turned down
C
turned off
D
turned over