英语单项选择选项+原因?快,还有1小时上学了1 I have been studying English( )over two years.A for B in C after D since2 What about ( )English-Language videos?A looking B looking at C seeing D watching

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英语单项选择选项+原因?快,还有1小时上学了1 I have been studying English( )over two years.A for B in C after D since2 What about ( )English-Language videos?A looking B looking at C seeing D watching
英语单项选择选项+原因?快,还有1小时上学了
1 I have been studying English( )over two years.
A for B in C after D since
2 What about ( )English-Language videos?
A looking B looking at C seeing D watching

英语单项选择选项+原因?快,还有1小时上学了1 I have been studying English( )over two years.A for B in C after D since2 What about ( )English-Language videos?A looking B looking at C seeing D watching
1、A,现在完成进行时表示从过去一直到现在并且正在进行的动作
2、D、watch表示看电视、视频、录像,look是动作,look at是朝着某个方向看去,see是看到

A .for
D.watching

回答1.A 2. D