Is your brother old enough to be a member of our association?中为什么要加be?不能省略吗?

How old is your brother 同义句 How old is your brother?回答 my brother is thirteen years old对 thirteen years old提问________ ________is your brother How old is your brother?的中文意思是什么啊? brother,old,is,how,your(?)如何拼成一句话 How old is your brother?改为同义句 _____the____ ____ your brother?如题 My brother is (only six-month-old)｛对括号部分提问｝( ) ( ) is your brother? 【 】is your brother?A how much B what much C how old Dwhat old选择 ___ is your brother?A.How much B.What much C.How old D.What old How old is your brother改为同义句,改为What’s your------------- how old is your (old) brother 怎么填elder也是old的什么形式有什么关系 What is your brother? how old is your brother?用简单英语解释下列句子 英语帝再出来一下 I have a brother and a sistera.How old is your brother?b.How old is my sister How old are your twin brother? Elder brother like your old forced her brother is it your brother's 例：I’m tall.Your brother is short.→ I‘m taller than your brother.例：I’m tall.Your brother is short.→ I‘m taller than your brother.1.She's 11 years old.I'm 13 years old.→2.Mike is 50 kg.He's 160 cm tall.Sarah is 45 kg.She's 160 cm