Science and technology have __________ in important ways to the improvement of agricutural production.
A. attached B. assisted C. contributed D. witnessed
It _________ you to at least 50% off the regular price of either frames or lenses when you buy both.
A. presents B. entitles C. credits D. tips
I hate people who __________ the end of a film that you haven’t seen before.
A. reveal B. rewrite C. revise D. reverse
I had just posted the letter when I remembered that I hadn’t _________ the cheque.
A. imposed B. involved C. enclosed D. contained
The opening between the rocks was very narrow, but the boys managed to _______ through.
A. press B. squeeze C. stretch D. leap
Being able to speak but not write is like living in a(n)__________ mansion and never leaving one small room.
A. vital B. enormous C. moderate D. visible
