. —- Is the letter yours? —- No, it’s not mine. It’s_____.

Lily,______ do you study for a math best? —By asking my teacher for help.

Why are you in such a hurry, Mike?–There an NBA basketball game in ten minutes.

Email is very popular today. People ______write letters to each other now.

It is obvious that on no account _____ to the teacher that he has done the homework on his own.