Although this ____ sound like a simple task, great care is needed.
. Like most of my schoolmates, I have neither brothers nor sisters---____,I’m an only child.
.The teacher used to stay up deep into the night. ______ , he made himself ill.
.What________ pity that you couldn’t be there to receive ________ prize!
.Water, which seems to be so simple and common, is ______ makes life possible.
The number of students in this college _____ by 10% every year.