选A.意思是我们决不可以上班时间给朋友打电话
B是过去式,表示的是过去,所以不合题意
we have been told that in no cases__our friends during office hours.
we have been told that in no cases__our friends during office hours.
A.may we call B.did we case
A.may we call B.did we case
英语人气:131 ℃时间:2020-01-27 09:21:30
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