If anyoneto join our basketball club, basketball every day. A. want; practice B. wants; practices C. wants; practice D. want; practicing 答案:C。考查条件状语从句。if引导的条件状语从句, “anyone”后用第三人称单数形式“wants”; 主句可用祈使句, 其肯定形式句首常用动词原形。故选C。计算:
(1)2+3
(2)5+-7
(3)++-+
(4)+6a-3a2