第 1 题 · 高考
That guy over there is my classmate, and he is very friendly.
核心词：guy gaɪ n. 家伙；小伙子
那边那个家伙是我同学，他非常友好。
一般现在时that guy短语 a nice guy
That ___ over there is my classmate, and he is very friendly.
第 2 题 · 高考
The frequency of the train service is high, so people wait only a short time.
核心词：frequency ˈfriːkw(ə)nsɪ n. 频率；频繁
列车发车频率很高，所以人们只需等很短时间。
一般现在时the frequency of短语 with great frequency
The ___ of the train service is high, so people wait only a short time.
第 3 题 · 高考
The weather here is variable, so always carry an umbrella with you.
核心词：variable ˈveərɪəb(ə)l n. 变量 adj. 多变的
这里的天气多变，所以要随身带伞。
一般现在时be variable短语 a variable factor
The weather here is ___, so always carry an umbrella with you.
