Don’t ______ to spring-clean the whole house justbecause my mother is coming—there’s no need to do that

It is important to have your eyes examined regularlyto check for any sign of eye disease that may not have any __________.

Is it that Jack often plays computer gamesmakes his parents worry about him ?—Yes , I think so .

Mother Teresa devoted all herlife to for the poor.

Students in that school are judged ________what they have achieved in their studies[ ]