China's population is expected to increase to about 1.5 billion in 2040, ______i

题干

China's population is expected to increase to about 1.5 billion in 2040, ______it will start to decline slowly.

A．where

B．which

C．on which

D．after which

上一题下一题 0.85难度单项选择更新时间:2014-05-27 06:34:39

小学学科试题库

初中学科试题库

高中学科试题库