单项选择题

The factory （） since the February of 1988.

A. has been open
B. has opened
C. was open

<上一题 目录 下一题>
热门 试题

单项选择题
Two years ______ passed already.
A. has

B. have

C. are
单项选择题
—Everyone except Lily and Kate ______ here now.—They went to the library.
A. is

B. are

C. was
相关试题