His brother is only -one year old-.(对划线部分提问） ---- ---- is hi

His brother is only _one year old 意思是他的弟弟只有1岁
对画线部分提问就是问他的弟弟多少岁
how old is his brother?
o(∩_∩)o
再问： He wants to play ping-pong.(改为一般疑问句） ___ he ___ to play ping-pong? They like _Chinese_ food.(对划线部分提问） __ __ __ food do they like?
再答： Does he want to play ping-pong？ 额、下面画线的是哪个
再问： Chinese是划线部分
再答： which country’s food do they like？