With a lot of difficult problems_____, the newly-elected Prime Minister will have a hard time.

When Tom got to the examination room, he realized he ______ his pen at home.

Every year there are about _______ people waiting for their trains back home in the railway station before Spring Festival comes.

I can think of many cases ______ studentscan’t write a good article though having a large vocabulary.

ld invite John and Barbara to the Fridaynight party.—Yes, I’ll givethem a call right now.