懂英语的进他们在做这些数学难题时遇到了困难 They _____ _____ _____ ______the diffcult Maths problems.肿么填,要用have trouble (in)打少了一个空。应该是他们在做这些数学难题时遇到了困难 They _____ _____
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懂英语的进他们在做这些数学难题时遇到了困难 They _____ _____ _____ ______the diffcult Maths problems.肿么填,要用have trouble (in)打少了一个空。应该是他们在做这些数学难题时遇到了困难 They _____ _____
懂英语的进
他们在做这些数学难题时遇到了困难
They _____ _____ _____ ______the diffcult Maths problems.
肿么填,要用have trouble (in)
打少了一个空。应该是
他们在做这些数学难题时遇到了困难
They _____ _____ _____ _____ ______the diffcult Maths problems.
懂英语的进他们在做这些数学难题时遇到了困难 They _____ _____ _____ ______the diffcult Maths problems.肿么填,要用have trouble (in)打少了一个空。应该是他们在做这些数学难题时遇到了困难 They _____ _____
填 had trouble in solving (过去式)
保证准确率~
they had trouble in doing the difficult maths problems
为你解答。
他们在做这些数学难题时遇到了困难。
They (had trouble in solving) the diffcult Maths problems.
解释:have trouble in doing sth,做某事有困难。
had trouble/difficulty in doing 这是常用句型 做某事有困难
they had some trouble when doing the diffcult maths problems.