Your niece is very strict and ______ worth teaching, but your nephew is not. Look, he is now ______ asleep in class.
You needn’t write on __________ line. You can write on __________ line.
You __________ to leave until you __________ your work.
We have every reason to believe that __________ 2016 Olympic Games will be __________ success.
—Bob, how about having a picnic this weekend? —________ I'll check my schedule.
If you _________ my advice, you ________ your failure now. You _________ your victory.