All these days he______on his paper.A、has workedB、has been workingC、was workin

游客2025-03-24 13

问题 All these days he______on his paper.

选项 A、has worked
B、has been working
C、was working
D、is working

答案 B

解析题干：这些天他一直在忙着写论文。本题测试时态。all this(these) day(s)，month(s)，year(s)等时间状语一般与现在完成时连用，意为“一段时间以来一直在……”，强调动作的持续，不注重结果。只有B符合要求。

转载请注明原文地址:https://tihaiku.com/zcyy/4011054.html

相关试题推荐

随机试题

最新回复(0)

Ifyoudon’thaveyourfilesprotectedwhileworkingonthecomputer,youmight