Question

There      serious air pollution if people use more and more cars.

A．has	B．will be
C．will have	D．are going to be

Answer 1

B

解析试题分析：句意：如果人们用越来越多的车，将会有严重的空气污染。if如果，从句用一般现在时，主句用一般将来时。there be 的一般将来时为there will be，there is/are going to be。因此，选B
考点：考查时态的用法。