Stay awake! You should know that it ________ to sleep in class

What made your father throw up lastnight– I think the large quantities of wine_________.

The car exhibition was very .The company received lots of order forms.

This white bike is too expensive.I can’t ______ it. Could you show me a cheaper one

It’s thirty years since we last met． —-But I still remember the story, believe it or not, _____ we got lost on a rainy night．