Allthesegiftsmustbemailedimmediatelysoastobereceived

问题详情：

 All these gifts must be mailed immediately so as to be received _________Christmas.

   A. after          B. in time

   C. in time for     D. in no time

【回答】

C in time (最终；及时)和in no time (立刻；马上)后不可接名词；after不符合句意和逻辑；in time for sth /to do sth的意思是“来得及；几时”：Will we be in time for the six o’clock train?我们来得及赶上六点的那趟火车吗？

知识点：介词

题型：选择题