It’ll be another 50 years _________ China is expected to reach the level of a medium developed country.
A.since | B.before | C.that | D.when |
Every 40 minutes we will take a 20-minute break, ______ your guide will give a short talk on different aspect of the Great Wall.
A.during that | B.and when | C.which | D.during which time |
It is generally believed that Watson and Crick’s discovery about DNA was ____ beginning of _____ enormous advances in _____ field of genetics.
A.the, the, the | B./, /, the | C.the, /, the | D.the, the, a |
Schools should be lively places where individuals are encouraged to ______ to their greatest potential.
A.cultivate | B.accelerate | C.expand | D.develop |
The scientific awards, like the Nobel Prize in 2015, are equal to all, ______ the research findings are good enough.
A.so | B.as long as | C.although | D.even though |
A common memory they all have ______ their school days is the school uniform.
A.on | B.of | C.to | D.with |