ThenumberofprivatecarsinChina

问题详情：

The number of private cars in China __________ since 2005, but only 15 percent of them __________ made in China.

   A. has been increasing; are                 B. have increased; is

   C. has been increased; is                   D. had increased; are

【回答】

A

知识点：动词时态与语态

题型：选择题