标明下列句子成分 1 There is nothing to do but do some reading.2 It's cruel of you to kill the cat.
问题描述：
标明下列句子成分 1 There is nothing to do but do some reading.2 It's cruel of you to kill the cat.
3 They are accustomed to not talking at meals .4 The noise of desks being opened and closed can be heard out in the street.
答
1 There(引导词) is （谓语）nothing （主语）to do （定语）but do some reading（从but到最后是插入语）2 It（形式主语）is （谓语） cruel（表语） of you（逻辑主语） to kill the cat.（真正主语）3 They（主语...