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— To tell you the truth, it's very hard. But we on this problem to improve the situation.
B. had worked
C. are working
D. had been working
— To tell you the truth, it's very hard. But we _____ on this problem to improve the situation.
B. had worked
C. are working
D. had been working
17．—Is there any better way to help my son get rid of the habit of playing computer games?
—To tell you the truth, it’s very hard. But we_______on this problem to improve the situation.
A．were working B．had worked C．are working D．had been working
查看习题详情和答案>>―Is there any better way to help my son get rid of the habit of playing computer games?
―To tell you the truth, it’s very hard. But we on this problem to improve the situation.
A．were working B．had worked C．are working D．had been working
17．—Is there any better way to help my son get rid of the habit of playing computer games?
—To tell you the truth, it’s very hard. But we_______on this problem to improve the situation.
| A．were working | B．had worked | C．are working | D．had been working |