Up to now, the work has been easy.

admin2011-01-01  8

问题 Up to now, the work has been easy.

选项 A、So
B、So long
C、So that
D、So far

答案D

解析 本句意思:“至今为止,工作是容易的。”so:因此。so long:只要。so that:以至于。so far:至今为止。so far与up to now句子的谓语动词的时态应使用完成时。
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