It is well known that knowledge is________treasure house，but practice is________key to it.

y, I didn’t mean ______ you.— But what you said ______ me.

Why didn’t they complete the task intime— Because it was not until late afternoon_____ they began to solve the major problem．

Hello, is that Minix Garage? Could I find out if my car is being repaired right now?—Sorry, we ________. But we are waiting for some parts from the producer.[ ]

Living on campus teaches the college freshmen ___________ to get along with all types of people and care for others.