the_____brothers don't look the same.but they are _____eleven

the_____brothers don't look the same.but they are _____eleven
the_____brothers don't look the same.but they are _____eleven

the_____brothers don't look the same.but they are _____eleven
The (twin,双胞胎) brothers don't look the same.But they are (both,两个都) eleven.
这对双胞兄弟看起来长得不一样,但他们都是11岁.