In __________ review off 44 studies, American researchers found that men and women who ate six key foods daily cut the risk of __________ heart disease by 76%. _______
| A．a; the | B．the; a | C．a; 不填 | D．不填; a |
相关试题
When the old man _______to walk back to his house，the sun________itself behind the mountain．
| A．was starting；hid | B．had started；had already hidden |
| C．had started；was hiding | D．started；had already hidden |
I wrote a letter of compl
aint(投诉)，and the airline have promised to _______the matter． 
| A．1ook at． | B．1ook into | C．1ook after | D．1ook out |
I'm happy that you agreed to work with us again．and I look forward to______
you next week．
| A．being seen | B．see | C．seeing | D．having seen |
--- Could I use your computer for a few moments, please?
--- ________. I’m not using it myself.
| A．Come on | B．It depends | C．Go ahead | D．That’s great |
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