With a lot of difficult problems ______, the newly-elected president is having a hard time.
Computersin offices and homes since 1970s.
Tom studies harder this term. _________, he has made great progress in his lessons.
The teacher as well as the students who_____fond of football,_____ playing together.
—Have you moved into your new classroom building? —Not yet, it ______________.
After a long walk, they were _______tired that they could not move even one step further.