Our house is on the top of the hill, and in winter the winds be pretty cold .
When somewhat better ________ academically, he returned home to continue his research.
_ properly, a car can be used for many years.
Only when he apologizes for his rudeness________ to him again.
— Is this book interesting?— Yes, but I'm sure it won't interest .
The house with the ground is valued ____ three thousand yuan, but I bought it ____ only one thousand yuan.