Question

【题目】The fisherman ______ at the bank of the river ______ 8 o'clock.
A.has been; for
B.has come; at
C.has been; since
D.came; since

Answer 1

【答案】C
【解析】根据题意“8 o'clock”前不能用for, 排除A, “at+时间点”不能和现在完成时连用，排除B。“since+时间点，和现在完成时连用，故选C。