试题 试卷
题型：单选题 题类：常考题 难易度：普通
—We must let the Americans know clearly that the islands China.
—True! A series of new policies(政策)have __________ the use of new energy cars around China recently.
— She's fine. Thank you.
—Yes. It's so easy for their trade to ____ on the Internet.
试题篮
