Peter is not working this week.You can ring him at home . [ ] A.if necessary B.i
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![Peter is not working this week.You can ring him at home . [ ] A.if necessary B.i](/pic/43_875251.jpg)
Peter is not working this week.You can ring him at home ________.
[]A.if necessary
B.if so
C.if true
D.if any
试题答案
答案:A
![Peter is not working this week.You can ring him at home . [ ] A.if necessary B.i](/pic/43_875251.jpg)
Peter is not working this week.You can ring him at home ________.
[]A.if necessary
B.if so
C.if true
D.if any
答案:A