问题
选择题
—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
答案
答案:D
略
—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
答案:D
略