It has been 60 years ______ the two countries established diplomatic ties.A.that

It has been 60 years ______ the two countries established diplomatic ties.A.that

题型:不详难度:来源:
It has been 60 years ______ the two countries established diplomatic ties.
A.that B.after C.from D.since

答案
D
解析
句型it is/has been +段时间+since“自从…以来多长时间”“自从这两个国家建立外交关系以来60年了”选D。
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