The last bus _________ two minutes before I arrived at the bus stop. What a pity!
| A．left | B．has left |
| C．was leaving | D．had left |
They were ______ little children that they didn’t know what to do.
| A．so | B．such | C．as | D．too |
Shortly after we ______, a waiter came over to us with a smile.
| A．sat | B．seated | C．was seated | D．seated ourselves |
Who do you think the teacher will ______ the question?
| A．have answer | B．have answered | C．have to answer | D．has answered |
With a lot of difficult problems ______, the newly-elected president is having a hard time.
| A．settled | B．settling | C．to settle | D．being settled |
—Your sister nearly _____ all her spare time to her study during the three years.
—That's right, or she _____ the first place in her school in the College Entrance Examination.
| A．spent; wouldn't have taken | B．devoted; wouldn't have taken |
| C．hadn't devoted; hadn't taken | D．hadn't spent; couldn't |