Helping me with my English please(英语!)

Helping me with my English please(英语!)
1.We should eat more______
A.fruit and vegetable B.fruits and vegetable
C.fruits and vegetables D.fruit and vegetables
2.There is nothing much wrong ___her.
A.in B.on C.with D.of
3.He is one of _______in the world.
A.tallest boys B.the tallest boys
C.the tallest boy D.the taller boys
4.我喜欢喝咖啡,不喜欢喝牛奶.
I prefer coffee______milk.