问题标题:
whenyouleavetheroom,makesure____allthelightsareturndeoff.a.ifbwhen.cwhetherdthat
问题描述:
whenyouleavetheroom,makesure____allthelightsareturndeoff.
a.ifbwhen.cwhetherdthat
焦凌云回答:
D
makesure表示“务必”,“确信”,“弄明白”,后面常接of/aboutsth.或that引导的宾语从句.makesure后通常不接不定式.
点击显示
英语推荐
热门英语推荐