—I'm sure Andrew will win the first priz
题型:选择题
问题:
—I'm sure Andrew will win the first prize in the final.
—I think so.He ________ for it for months.
A.is preparing
B.was preparing
C.had been preparing
D.has been preparing
—I'm sure Andrew will win the first prize in the final.
—I think so.He ________ for it for months.
A.is preparing
B.was preparing
C.had been preparing
D.has been preparing