To keep healthy, you should eat any of the food that is offered on the table _______ it is not well cooked.
| A．if | B．until | C．that | D．unless |
It is difficult for us to learn a lesson in life_____we’ve actually had that lesson.
| A．until | B．after | C．since | D．when |
Lucy has_____all of the goals she set for herself in high school and is ready for new challenges at university.
| A．acquired | B．finished | C．concluded | D．achieved |
Hardly could he_____this amount of work in such a short time.
| A．get through | B．get off | C．get into | D．get down |
________ fire,all exits must be kept clear.
| A．In place of | B．Instead of | C．In case of | D．In spite of |
I wanted to catch_____early train,but couldn’t get_____ride to the station.
| A．an;the | B．/;the | C．an;/ | D．the;a |