Do you like talking with your friends on the telephone or mobile phone— . I enjoy chatting online.

下列句划线的词语，使用不正确的一项是（ ）

.Too much drinking and smoking ________ his early death. Which of the following keys is wrong?

have plenty of time tomorrow, soyou work too late tonight

We shouldn’t have come north for Christmas vacation. If we _______, we wouldn’t be stuck in thesnow right now.[ ]