The time he has devoted in the past ten years ________the disabled is now considered _______of great value.
Don’t worry about the child. Next to him ________ a lady, _______ he can turn when he is in trouble.
The girl had hardly rung the bell the door was opened suddenly, and her friend rushed out to greet her.
——How did you like Nick’s performance last night? —— To be honest, his singing didn’t to me much?
In all kinds of competitions, Jackie ________ a most excellent athlete. He has won so many gold medals.
_________along the quiet road at forty miles an hour, and then an old man suddenly started to cross the road in front of me.