问题补充:
单选题Thefloorisdirtyanditrequires_________.A.being cleanedB.cleanC.to cleanD.cleaning
答案:
D解析句意:地板很脏,需要打扫。需要做某事,用require doing或require to be done,所以选D。
时间:2021-09-10 00:56:06
单选题Thefloorisdirtyanditrequires_________.A.being cleanedB.cleanC.to cleanD.cleaning
D解析句意:地板很脏,需要打扫。需要做某事,用require doing或require to be done,所以选D。