Question

Many scientists say that it’s important for us to have ______ food in our diet. A．a variety .

Many scientists say that it’s important for us to have ______ food in our diet. A．a variety of B．a great deal C．a large number of D．a good many

Answer 1

A

B和C后跟不可数名词，D跟可数名词复数， Food为集体名词。选A a variety of food 为各种各样的食物。