Question

I’m moving to the countryside because the air there is much fresher
than      in the city.

A．ones

B．one

C．that

D．those

Answer 1

C

考察代词。That指代上文提及的不可数名词或者可数名词单数形式，后面有定语修饰，表示特指。本题的That指代air,后面有定语in the city修饰，故C正确。句意：我要搬到乡下去住，因为那里的空气要比城里的空气要更新鲜。