________ seems to be a strong competition in China for senior high students to enter college or university.
We all admired Linda very much. ______ her prettiness, she was smart and helpful.
Was it by holding the pro-environment campaigns ______ the company attracted wide publicity?
Things worthy ______ should be done without delay.
I would have felt more comfortable if you _______ receiving my email a little more quickly.
Do you know how pumpkins got _______ with Halloween?