标题: In recent years，there have been over 30 foreign companies _____ business in ... [打印本页] 作者: 李老师 时间: 2019-4-8 21:46 标题: In recent years，there have been over 30 foreign companies _____ business in ... In recent years，there have been over 30 foreign companies _____ business in this city．
A) doing C) to do
B) do D) done
5．It is easy to get the software we need __________the market is small．
A) as if C) although
B) so that D) until
6．By the end of this year，they ______ a new program in Europe．
A) had started C) are starting
B) start D) will have started
7．Language learning is a slow process，whic