The scientist _____ Canada and he will give us a talk when he _____ back. A.has gone to/comes B.has

题目简介

The scientist _____ Canada and he will give us a talk when he _____ back. A.has gone to/comes B.has

题目详情

The scientist _____ Canada and he will give us a talk when he _____ back.
A.has gone to/comes B.has been to/will come
C.has gone to/will come D.has been to/comes
题型:单选题难度:偏易来源:不详

答案

A

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