第 1 题 · 四级
The soil here is fertile, which allows the farmers to grow rice twice a year.
核心词：fertile ˈfɜːtaɪl adj. 肥沃的，多产的
这里的土壤肥沃，使农民一年能种两次水稻。
一般现在时主系表 + which 从句 + allow sb to do短语 fertile soil短语 grow rice
The soil here is ___, which allows the farmers to grow rice twice a year.
第 2 题 · 四级
She cried out in agony, which made everyone run to help her.
核心词：agony ˈægəni n. 极度痛苦
她痛苦地喊叫，让所有人都跑过去帮她。
一般过去时in agony + which 从句 + make sb do短语 in agony短语 cry out
She cried out in ___, which made everyone run to help her.
第 3 题 · 四级
The sun began to rise, which brightened the whole valley at once.
核心词：brighten ˈbraɪtn v. 使明亮，使快活
太阳开始升起，瞬间照亮了整个山谷。
一般过去时begin to do + which 从句 + brighten短语 brighten up短语 brighten the room
The sun began to rise, which ___ the whole valley at once.
