Mum is busy___dinner now.A.preparing B.preparing for为什么选A是否是

Mum is busy___dinner now.A.preparing B.preparing for为什么选A是否是 英语翻译 Preparing for a medical emergency involving your pet is preparing for a travel 的英语作文 preparing for a picnic50字作文 请帮我编一个英语对话哈 内容是这样的student A is preparing for the final exami 1) They are preparing for war on a large ________.A) bank B） 英语翻译We are preparing for the coming school exam.There is a l She is busy preparing a dinner for some good friends of hers 翻译the man in blue is preparing for a trip to Africa 选择We are _ for the test.A busy prepare B busy preparing C bu 英语翻译Preparing students for a “standardized” math test throug Kathy______ spend time preparing for the exam.A