______ (现在一项专利通过大约需要3年左右的时间), and today’s backlog of 500,000 is expected to doub

游客2024-06-09 36

问题 ______ (现在一项专利通过大约需要3年左右的时间), and today’s backlog of 500,000 is expected to double by the end of the decade unless there are big changes.

选项

答案 It now takes around three years for a patent to be approved

解析

转载请注明原文地址:https://tihaiku.com/zcyy/3626927.html

相关试题推荐

随机试题

最新回复(0)

【S1】[br]【S9】by→before连词错误。by后面只能跟名词短语，不能跟时间状语从句，应改为beforethiscenturyisout(