Do you know if he ____to the park this Sunday if it ____fine? A goes, is B goes, will be

问题描述:

Do you know if he ____to the park this Sunday if it ____fine? A goes, is B goes, will be
C will go, isD will go , will be请简单解释,谢谢~

C
第一个IF ‘ 是否’ 引导宾语从句,动作还没发生,故用一般将来时; 第二个IF ‘ 如果’ 引导条件状语从句,从句的一般将来时用一般现在时代替