When Li Lei was a small child, he hoped to be ______ policeman after he grew up and finally his dream came true.
--- Hi, Torry, can I use your computer for a while this afternoon? --- Sorry, __________.
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.