问题补充:
---May I borrow your book Steve Jobs ?
--- you return it before Friday.
A. If only
B. Unless
C. On condition that
D. Now that
答案:
A. If only
B. Unless
(答案→)C. On condition that
D. Now that
解析:考查连词。A但愿;B除非;C条件是;D既然。句意:——我可以向你借《乔布斯》的书吗?——条件是你在周五之前还。故C正确。