问题
选择题
--- Has your brother returned from America yet?
--- Yes, but he ______ here for only three days before his company sent him to Africa.
A．has been
B．was
C．will be
D．would be
答案
答案：B
考查时态。根据语境可知他在这儿仅三天，为过去发生的事情，故用一般过去时态。句意：——你哥哥从美国回来了吗？——是的，但在这里就3天，他的公司又派他去非洲了。