问题
Nowadavs,most people,in order to keep fit,prefer walking to driving _________necessary
A:if
B:unless
C:in case
D:as if
B:unless
C:in case
D:as if
正确答案是：
同类题型
Which would you like, tea or coffee—— Either ______ OK, but I prefer coffee ______ milk.
Is that 120 My brother is seriouslyill!—Ok. Help is _________ .
If you keep on, you’ll succeed _______
The _____look in his face suggests that he is happy. [ ]
Were you at school when it began to rain? —Yes. I withmy teacher at that time.