A.do
B.does
C.is
D.are
第1题
The people left in the countries______often those who were too old or too poor to move.
A.are
B.were
C.was
D.is
请帮忙给出正确答案和分析,谢谢!
第2题
Linda Smith has been very helpful to me in the past and I hope she______so in the future.
A.is
B.would be
C.will be
D.be
请帮忙给出正确答案和分析,谢谢!
第3题
We sincerely trust, therefore, that the credit______ you by the time you read this letter.
A.reaches safely
B.has reached safely
C.would reach safely
D.will have safely reached
请帮忙给出正确答案和分析,谢谢!
第4题
Several centuries ago people did not believe that the earth______round the sun.
A.revolved
B.had revolved
C.revolves
D.has been revolving
请帮忙给出正确答案和分析,谢谢!
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