Einstein was famous _________ a scientist_________ his Theory of Relativity.

Ann ,is this pen ______—-No, it isn’t. It’s_______.

m, You look tired–Yes, I _____________ the room all the afternoon

The American people will never forget the 9.11 eventand the psychological trauma __________ caused to hundreds of thousands ofcommon households.

Student loan is supposed to provide financial support for people who would ______ not be able to go to college.