Please hold on to your dream _____ one day it comes true.

Help yourselves ___ some fish.

Be careful, _______ you will make mistakes in your exams.–I know that, Mrs. White. One can never be too careful.

aoyu Islands have been part of China’s territorysince ancient times, __________ as important fishing grounds of Taiwan

I love the Internet. I’ve made many friendson the Net.- _____. Few of them are your real friends.