he has been to the moon for_____at timessometime several timessometimes主要是不懂句子的意思,无法做题、.
问题描述：
he has been to the moon for_____
at times
sometime
several times
sometimes
主要是不懂句子的意思,无法做题、.
答
选第三个,首先“has been to”表示“已经去过”,其次根据选项排除可知选第三个,几个短语我就不解释了,关于“time”有许多短语,易混淆,具体如下：at a time 一次；at one time 曾经,注意区分ahead of time 提前；all ...