We will not attack unless we _______ (attack); if we ______(attack)we will certainly counterattack.

There are some steps you can take to ____ the effects of the exam stress. A: counter B: count C: counterattack D: counterpart

下面哪些单词含有表示against含义的前缀?( ) A: anti-social B: contraband C: mistreat D: counterattack