Harvard University, which ______ in 1636, is the oldest institution of higher education in the United States.

A. She has left university since two years.

B. She hasn’t left university since two years.

C. The last time she left university two years ago.

D. It's been two years since she left university.

A. UNICEF

B. Fund

C. the United Nations

D. World War II

A. were starting

B. had started

C. have started

D. started

A. go off

B. take off

C. put off

D. turn off

A. however

B. in spite

C. despite

D. therefore

A. I get older because I become more irritable.

B. The older I get, the more irritable I become.

C. The older I get, the more I become irritable.

D. The elder I get, the more irritable I become.