第 1 题 · 四级
He heard footsteps in the hall, which made him look up from his book.
核心词：footstep ˈfʊtstep n. 脚步，脚步声
他听到门厅里有脚步声，让他从书上抬起头来。
一般过去时hear + 名词 + which 从句 + make sb do短语 hear footsteps短语 follow in sb’s footsteps
He heard ___ in the hall, which made him look up from his book.
第 2 题 · 四级
The reservoir stores water for the city, which the farmers use in dry seasons.
核心词：reservoir ˈrezəvwɑː n. 水库，蓄水池
水库为城市蓄水，农民们在旱季使用。
一般现在时store + 名词 + which 从句 + in dry seasons短语 a reservoir短语 store water
The ___ stores water for the city, which the farmers use in dry seasons.
第 3 题 · 四级
She bought a linen jacket, which feels cool in summer.
核心词：linen ˈlɪnɪn n. 亚麻布
她买了一件亚麻布夹克，夏天穿着凉快。
一般过去时buy + 名词 + which 从句（feel 系动词）短语 a linen jacket短语 bed linen
She bought a ___ jacket, which feels cool in summer.
