I __ very carefully,but I can ____ nothing.A,see ,B,watch C,look _英语解答

I __ very carefully,but I can ____ nothing.
A,see ,B,watch C,look D,read 为什么

人气：378 ℃　时间：2020-05-01 19:43:46

解答

look,我非常认真的看,看,强调动作时,用look
see 我什么也没看到,看到,强调结果时,用see