Whether dying patients be helped to end their lives is a tough moral question.
#62244
A
must
B
should
C
might
D
would
推荐题目
Mary _______ her mother with the housework, but she didn’t.
#63072
A
must have helped
B
ought to have helped
C
must help
D
should help
--Let’s go to the Tian’anmen Square by taxi. --Oh, it’s not far from here. We_______ take a taxi.
#78184
A
couldn’t
B
needn’t
C
mustn’t
D
can’t
— Oh, my cat is really fat.— You __ have given her so much food.
#63412
A
wouldn't
B
mustn't
C
couldn't
D
shouldn't
