Much research( ) into the possibiecauses of the disease in the past few years. A.has been doneB.was doneC.have been doneD.were done
Much research( ) into the possibiecauses of the disease in the past few years.
A.has been done
B.was done
C.have been done
D.were done
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We packed up the things we had accumulated(积累)over the last three years.A:late B:recentC:final D:past
We packed up the things we had accumulated(积累)over the last three years.A:ate B:recentC:final D:past
下面的程序中,条件语句中的哪个条件会最先被计算? if finalscore>=95 and (research='A' or (grade='A' and present='A')) then finalGrades='A+';A.finalscore>=95B.research='A'C.grade='A' and present='A'D.research='A' or (grade='A' and present='A')