r race car isn’t insured, you maylosingeverything when it hits something solid

When Bob woke up he found himself in hospital, but he didn’t know how that ________. [ ]

The girl looked at me with a _______expression. Maybe the problem was quite _________.

They are living with their parents for the momentbecause their own house __________.

It is reported that Beijing and Zhangjiakou（张家口）will compete to host the 2022 Winter Olympics, which will _____ China’s social development.