芒硝善治燥屎坚结,是因为它能()。
A.逐水
B.软坚
C.解毒
D.活血
E.泻下
参考答案:B, E
Thanks for ______ me to your birthday party. [ ]
A. invite
B. invitation
C. inviting
D. invited
— May I stop here? — No, you _____.
A.mustn’t
B.might not
C.needn’t
D.won’t