问题
What do you think we should do for our aged parents?—I think the most important thing we ________ do is try to stay with them for more time. [ ]
A: have to
B: ought to
C: will
D: would
B: ought to
C: will
D: would
正确答案是：
同类题型
I didn’t hear anyone knocking at the door because I _______ to music in my room.
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It will be my turn. I feel a little nervous.–________ You can make it!