Before driving into the city, you are required to get your car ____.
I still remember __________ chess in class by my teacher about twenty years ago.
As is known, mobile phones make it possible for people to __________ each other conveniently.
A large amount of money __________ robbed in the bank and it shocked the government greatly.
The manager says he needs an assistant that he can __________ to deal with the problems that may occur in his absence.
__________ in watching the car passing by that he didn't notice his friends.