1、When I passed his room,I heard him ()(sing)2、I always can't sleep well because I often

1、When I passed his room,I heard him ()(sing)2、I always can't sleep well because I often

题目
1、When I passed his room,I heard him ()(sing)2、I always can't sleep well because I often
hear some animals ()(make) so much noise
答案
第一个空填singing,第二个填make.
解释:前面是正在进行时,后面是一直进行的动作.希望对你有帮助.
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