Why _______ you be so stubborn? You should think over my advice on this matter.
#62210
A
may
B
shall
C
dare
D
must
推荐题目
I talked for a long time, and in the end I_____ make her believe me.
#63024
A
should
B
can
C
was able to
D
must
Surely Mr. Peterson ____ have forgotten to buy presents for his beloved family members. After all, it was Christmas!
#63397
A
shouldn’t
B
mustn’t
C
can’t
D
needn’t