He( )with Smith at least four times in the past three years.

未知题库 2024-12-15 943

摘要： A.has been seen to meet B.was seen to meet C.had been seen meeting D.is seen meeting参考答案：……...

A.has been seen to meet
B.was seen to meet
C.had been seen meeting
D.is seen meeting
参考答案：……