With a lot of modern office equipment, today’s schools are quite different from ____ of the past.
A.that | B.those | C.one | D.ones |
It never will rain roses. __________ we want to have more roses. we must plant trees.
A.When | B.Unless | C.Until | D.While |
I really don’t know _________ I put my wallet after I paid the bill.
A.where was it | B.it was where that |
C.where was it that | D.where it was that |
During the examination we are required to stay in our seats, keep our eyes on our work, ____ to anyone.
A.instead of speaking | B.rather than speak |
C.and not to speak | D.but would not speak |
________ these experiments were successfully completed would we think of going into humans.
A.If only | B.Only if | C.So that | D.Even if |
Currently, many American women are still faced with the ________ of choosing between work and family commitments.
A.desperation | B.dilemma | C.confusion | D.Concern |