题目内容
Lisa, now stop for a short break. You should know that you _____ all the morning.
[ ]
A. are working
B. had been working
C. have been working
D. have worked
B. had been working
C. have been working
D. have worked
C
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相关题目
Lisa, now stop for a short break. You should know that you all the morning.
|
A．are working |
B．had been working |
C．have been working |
D．have worked |
Lisa, now stop for a short break. You should know that you all the morning.
| A．are working | B．had been working | C．have been working | D．have worked |