问题

That’s the third time he’s won the award in this field.-Yes. He ________ his maximum potential in the past decade.[ ]

A:explored
B:is exploring
C:has been exploring
D:has explored

正确答案是：

同类题型

People say that Andy’s latest tour concert performance is well worth seeing. I wish I ____ with you lastnight but I was finishing the report.[ ]

The film _________________ for half an hour whenshe got to the cinema.

“There were a thousand other fruits whichAdam and Eve could eat, but this one was forbidden.” What does theunderlined（划线的）word mean

It was Asimovwas eleven years old histalent forwritingbecame obvious.

Why didn’t you buy any bread –Sorry, I _____.