You _________ to eat snacks in the classroom.
The old washing machine makes loud _______, I can’t hear you clearly.
I always look through the news _______ the Internet in my free time.
--- Bill, can I get you anything to drink?--- __________.
The time he has devoted in the past years __________ the disabled is now consideredto be __________ great value __________ him.
He found difficult to improve his English the teacher’s help.