Class regulations state _____ is the last to leave the classroom _____ off all the lights.
A．no matter who; should turn B．whoever; shall turn
C．whomever; turns D．whoever; turn
----Is it the first time you _______ Beijing?
----No. But the first time I ______ here, the city wasn’t so beautiful.
A．visited; came B．visited; have come
C．have visited; have come D．have visited; came
The housing problems we are looking forward to seeing _______ have attracted the government’s attention.
A．solving B．solve C．solved D．to solve
Due to the fact _______there is plenty to see, it would be better if you made a list before hand of ______exactly you want to go.
A．what; where B．that ; where C．that; which D．which; when
I don’t suppose Jim could have done so well in yesterday’s exam , ____________?
A．do I B．did he C．has he D．could he
Schools across China are expected to hire 50,000 college graduates this year as short-term teachers, almost three times the number hired last year, ____ reduce unemployment pressures.
A．helping B．to have helped C．to help D．having helped
