问题

Paper produced every year is ______ the world’s production of vehicles.

A:the three times weight of
B:three times the weight of
C:as three times heavy as
D:three times as heavier as

正确答案是：

同类题型

Have you telephoned your father? ——- YesHe ______back next year

下面哪个短语用于讲故事的开头比较合适

adequate water for all residents was, until only a few decades ago, a serious problem.

I think the answer is right but I’m not ____ sureabout it.

Sir, you ______ be sitting in this waiting room. It is for women and children only.