My young brother ___be 15years old next year A is going to B will C is to D should

题目

My young brother ___be 15years old next year A is going to B will C is to D should

答案

选B ,其中wil是一个表示将来的助动词,意思为“将要”.如果说今年15岁,就是：My young brother is 15 years old now.明年是将来,就用will be代替了is,那么这个be其实就是is的原形,因为助动词will的后面要跟动词原形.