广西桂林中学2010—2011学年度上学期高三年级一月月考
-- How long do you think it will be ____ the USA recovers from the losses of the financial crisis?
-- Perhaps four or five years．
A．when B．since C．that D．before
广西桂林中学2010—2011学年度上学期高三年级一月月考
-- How long do you think it will be ____ the USA recovers from the losses of the financial crisis?
-- Perhaps four or five years．
A．when B．since C．that D．before
D