连词 and / but 连接句子 — 英语选择题
题目
Lily今天很忙,但她仍然帮妈妈。选出意思相符、连词使用正确的句子。A. Lily is busy today, and she helps her mum. B. Lily is busy today, but she helps her mum. C. Lily is busy today, but she doesn't help her mum. D. Lily is busy today, and she doesn't help her mum.