The building burnt down in a big fire _________was the base on which it stood

The mayor was charged with _______ his power for personal benefits. [ ]

The lack of movement caused the player’s muscles to _______ and he might never play the sport again.

According to my grandma, it is a good idea to eat chicken soup when you have a cold. — __ , scientists agree with her.

Li Lin took the 8:00 bus to Fuzhou this morning—Really He _________ a fast train It’s much morecomfortable to travel by fast train