only four days remained _________the exam填一个介词A atB afterC sinceD before还有 为什么要选它

来源:学生作业帮助网 编辑:作业帮 时间:2024/08/10 15:24:50
only four days remained _________the exam填一个介词A atB afterC sinceD before还有 为什么要选它
x)˩TH/-RHI,V(JMKMQTԊܧ W?dǪ'_uTH,qRHL+I-rV(KNuQHJM/J}Ƴ9 OvzΎ_6t>]lTO}`h@6PllCܮ/]sjyaj4yd ^44X?ɮ6ؤP%!Ϧo{9}֎

only four days remained _________the exam填一个介词A atB afterC sinceD before还有 为什么要选它
only four days remained _________the exam
填一个介词
A at
B after
C since
D before
还有 为什么要选它

only four days remained _________the exam填一个介词A atB afterC sinceD before还有 为什么要选它
D
这句话的意思是只有4天就要考试了,4天和考试是一个时间先后的关系,4天在考试之前,故应选before