William promised to ____________ (不是周五就是周六之前向导师呈交论文).submit the paper to his tut

游客2023-07-13 16

问题 William promised to ____________ (不是周五就是周六之前向导师呈交论文).

选项

答案 submit the paper to his tutor either by Friday or by Saturday

解析 “不是…就是…”采用either．．．or．．．连词词组。

转载请注明原文地址:https://tihaiku.com/zcyy/2833435.html

相关试题推荐

随机试题

最新回复(0)

Whenhelefthisparentshepromisedthemthathewould______(尽量多写家信).writehom