第 1 题 · 四级
Unload the boxes from the truck, and put them into the warehouse at once.
核心词：unload ʌnˈləʊd v. 卸货
把箱子从卡车上卸下来，立刻放进仓库。
一般现在时祈使句 Unload + and 并列祈使短语 unload goods短语 unload a truck
___ the boxes from the truck, and put them into the warehouse at once.
第 2 题 · 四级
The meeting was very constructive, which produced several practical plans.
核心词：constructive kənˈstrʌktɪv adj. 建设性的
会议很有建设性，产生了几个切实可行的方案。
一般过去时主系表 + which 从句短语 a constructive meeting短语 constructive advice
The meeting was very ___, which produced several practical plans.
第 3 题 · 四级
The liner sails across the ocean every week, which many passengers enjoy.
核心词：liner ˈlaɪnə n. 班轮，班机
这艘班轮每周横渡大洋，许多乘客都喜爱乘坐。
一般现在时主谓 + 介词短语 + which 从句短语 an ocean liner短语 a passenger liner
The ___ sails across the ocean every week, which many passengers enjoy.
