第143页

信息发布者：
D

B

C

was playing
was waiting
was checking
was taking
were trying/doing their best
 When I got there yesterday morning, there were many people reading books.
When Bob arrived/reached/got home, his sister was doing the housework.
were discussing the Physics competition
to
are
strongest
windows
on/upon
them
reaches
quickly
but
alive
上一页 下一页