Tony studies very ______.He often does his homework until 10:30p.m.,but his brother Tom______ does homework.
The teachers often make us _____ in class , and life here makes us _______.
Light goes faster than sound.
Don’t __ to others like that. You should ___ politely.
Could you say __ about it, please? I’d like to know __.
I think Jim is the fastest runner in his class. ——I .