About _________of the workers in that steel works are young people.
| A．third-fifths | B．three-fifths |
| C．three fives | D．three-fifth |
Some pre-school children go to a day care center, __________ they learn simple games and songs.
| A．then | B．there | C．while | D．where |
Some doctors were sent to the front where medical workers were __________.
A. in great need B in desperate need of C needed great D needed in
---Have you heard the latest news?
---No, What __________?
| A．is it | B．is there | C．are they | D．are those |
— Oh, it’s you. I__________ you. Why are you looking so thin and pale?
— I’ve been ill for weeks and still under treatment.
| A．can’t recognize | B．could hardly recognize | C．haven’t recognized | D．wasn’t recognizing |
Many teens have too much homework to do, which ____ them up at night.
| A．makes | B．keeps | C．breaks | D．turns |