A chemist prepares his experiments carefully before trying to ca
分类: 英语（专升本）(z0009)发布时间: 2024-09-16 17:57浏览量: 0
A chemist prepares his experiments carefully before trying to carry _____ in his lab. A、it out B、out it C、them out D、out them 【正确答案】：C 【题目解析】：them指代experiments, carry out与代词连用时应表述为carry+代词+out