It is important that he _______ placed in an appropriate job.
Used to________ his car in all kinds of weather, he is really a good driver.
QQ, ________you can chat with your friends, makes communication easy.
-----What do you think of the play ? -----Terrible! I have never seen________one.
I regret _____ more time with my grandma before she passed away.
. Do you know________there is a small river for us to swim in?