He is very tired，so he needs some time __________ duty for relaxation and rest

He has done_______to improve his writing.

Every second counts in the exam, _________ means you must make the best use of the time available.

His handwriting is very careful.—Yeah. With the help of him, his sister writes as ________ as him.

Little children should go to school to learn something.______, they should learn how to behave well insocial life.[ ]