depend on依靠，依賴
(1)depend on sb. to do sth.依靠某人做某事
depend on sb. for sth.靠某人供給某物
depend on/upon it that...指望；對……深信不疑
(2)That depends./It all depends.視情況而定。
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.
孩子們依靠父母供給衣食。
—Is he coming?
他來嗎？
—That depends. He may not have time.
那要看情況。他不一定有時間。
【連結訓練】
—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】 考查情景交際。句意為：——答應我以後別再穿這種衣服了！——那得視情況而定。如果我演出呢？根據句意可知答案為C項。A項意為「由你做決定」；B項意「那可提醒我了」；D項意為「我忘了」。均與句意不符。
【答案】 C