she only eats fruit ______( keep) slim
问题描述:
she only eats fruit ______( keep) slim
his favourite food _______ (be) rice and noodles.
fish and chicken _______(be)her favourite food.
答
(1)to keep 动词不定式表目的
(2)is 主语food 是不可数名词
(3) are 主语是两个,fish 和chicken,both …and