在电场中，A.B两点的电势差，那么将一负电荷从A移到B的过程中（ ） A.电场力做正功，电势能增加 B.电场力做负功，电势能增加 C.电场力做正功，电势能减小 D.电场力做负功，电势能减少
David apologized for ________ to inform me of the change in the plan.
Many of the children are so accustomed to ______ that they react violently when they hear something different.
—Do you like Nack ? —Yes , Nack is good , kind , hard –working and intelligent; , I can’t speak too highly of him .
It is said that our body _______ 206 bones; if one of _____ is broken, it will cause inconvenience of some kind.
She _______ Japanese when she was in Japan. Now she can speak it freely.
，那么将一负电荷从A移到B的过程中（ ），那么将一负电荷从A移到B的过程中（ ）
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