1．You wouldn’t think him alive if it were not for the occasional outbursts of laughter. (完形填空第一段)
要不是偶尔爆发出的笑声，你不会认为他还活着。
(1)If it had not been for your timely help，I would have gone bankrupt.
要不是你及时的帮助，我早就破产了。
(2)If it were not for their support，we would be in a very difficult position.
要不是有他们的支持，我们的处境会很困难。
