He was in the mountain for a year. He felt as if he was ________ from the outside world.
Her car has been very dirty. She has got to _______.
What she spends a month at university___________ no more than 500 yuan.
He asked me how much ________ on the mountain bike.
He was lucky in the accident, but his car was completely _________.
Without enough food, many birds didn’t _______ the cold weather.