depend on依靠，依赖
(1)depend on sb. to do sth.依靠某人做某事
depend on sb. for sth.靠某人供给某物
depend on/upon it that...指望；对……深信不疑
(2)That depends./It all depends.视情况而定。
例句
He depends on his parents to take care of the children.
他依靠父母照看孩子。
Children depend on their parents for food and clothing.
孩子们依靠父母供给衣食。
—Is he coming?
他来吗？
—That depends. He may not have time.
那要看情况。他不一定有时间。
【链接训练】
—Promise you will never wear this kind of dress!
—________. What if I will give a performance?
A．It' up to you
B．That reminds me
C．That depends
D．I forgot that
【解析】 考查情景交际。句意为：——答应我以后别再穿这种衣服了！——那得视情况而定。如果我演出呢？根据句意可知答案为C项。A项意为“由你做决定”；B项意“那可提醒我了”；D项意为“我忘了”。均与句意不符。
【答案】 C