Tom is an honest man; I say it,_________ I have been against him

It ______ 3 years since I _____ to No. 1 Middle School.

A harmonious society is very important , so all the laws must be strictly _________.

quantities of information, as well as some timely help, ______ since the organization was founded.

Our teachers are really ______. They often work in their office far into the night.