Why do you look so upset—There are so many troublesome problems _____.

(2013·浙江高考)Mary worked here as a ________ secretary and ended up getting a full­time job with the company.

When he was at school, he ______ early and take a walk before breakfast.

This desk is yours. That one is

Hi,Ann! I won the first prize in theEnglish Speech Contest.-Congratulations!And I guess your parentsmust____you.