Question

【题目】The baby ________ 3.5 kilograms（公斤）when he was born.

A. weigh B. weight C. weighs D. weighed

Answer 1

【答案】D

【解析】句意：婴儿出生时，体重3.5公斤。A. weigh动词，称重；B. weight名词，重量；C. weighs 动词三单，称重；D. weighed过去式，称重。根据后文when he was born.可知，本句缺少谓语动词的过去式形式。故选：D。