问题

___with difficult situation, Marydecided to turn to her parents for help
A:Until
B:While
C:As
D:Unless
B:While
C:As
D:Unless
正确答案是:
同类题型
Nowadays, many people prefer ________ to the countryside ________ the fresh air.
Only when ________ be possible to sign the papers.[ ]
Shanghai is bigger than _______in Jiangsu and biggerthan _______in China.
The last one ________ the meal washes the dishes–Agreed!
This book will show the readers ______ can be used inother contexts