He has been studying ___ two hours. A. for B. since C. in D. at 相关知识点: 试题来源: 解析 A。“for+一段时间”表示持续一段时间,本题中“for two hours”表示两小时了。“since”后面接时间点,表示从某个时间点开始;“in”表示在一段时间之后;“at”用于具体的时间点。反馈...
Has he been studying English for two hours? A. Yes, he has. B. No, he hasn't. C. Not yet. D. I have no idea. 相关知识点: 试题来源: 解析 B。本题考查现在完成进行时疑问句,“for two hours”表示时间段。回答“No, he hasn't.”表示“不,他没有学习两个小时”。
百度试题 结果1 题目He ___ for two hours. A. has studied B. studied C. is studying D. study 相关知识点: 试题来源: 解析 A。for two hours 是一段时间,常与现在完成时连用,主语是 he,助动词用 has,后面跟过去分词 studied。反馈 收藏 ...
studied; had been studying 相关知识点: 试题来源: 解析 A。本题中,“I have been studying for two hours.”表示“我已经学习了两个小时”,是现在完成进行时,表示从过去某一时间开始一直持续到现在的动作。“But he has been studying since this morning.”表示“但他从今天早上就一直在学习”,也是现在...
He ___ English for two hours. A. has been studying B. studies C. studied D. is studying 相关知识点: 试题来源: 解析 A。“for two hours”是现在完成进行时的标志,A 选项符合。B 选项一般现在时,C 选项一般过去时,D 选项现在进行时,都不符合时间状语。反馈 收藏...
He___English for two hours. A. has been studying B. studied C. will study 相关知识点: 试题来源: 解析 A。“for two hours”表示一段时间,要用完成时态,结合语境现在还在学习,要用现在完成进行时,A 选项正确。B 选项一般过去时不能体现持续的状态。C 选项一般将来时不符合题意。反馈 ...
He ___ at the library for two hours. A. has been studying B. studied C. will study D. studies 相关知识点: 试题来源: 解析 A。for two hours 是现在完成进行时的标志,has been studying 表示两个小时以来一直在图书馆学习。反馈 收藏
解析 A。“before you came”表明在过去某个时间点之前一直在进行的动作,要用过去完成进行时,A 选项“had been studying”符合;B 选项“has been studying”是现在完成进行时;C 选项“studied”一般过去时,动作已结束;D 选项“studies”一般现在时。所以选 A。
A. has been studying B. studied C. had studied D. was studying 相关知识点: 试题来源: 解析 A。本题考查现在完成进行时与一般过去时、过去完成时、过去进行时的辨析。句子强调从过去开始一直持续到现在的动作,并且现在还在进行,所以用现在完成进行时。B 选项一般过去时只是强调过去某个时间发生的动作;C...
百度试题 结果1 题目7. He's been studying for two whole hours. (就画线部分提问)he 相关知识点: 试题来源: 解析 7. How long has: been studying 反馈 收藏