19、The glass is very expensive.Take care _ drop it.Anot B.to not C.don’t D.not to
问题描述：
19、The glass is very expensive.Take care _ drop it.Anot B.to not C.don’t D.not to
答
【take care to do sth】小心做某事
否定形式直接在to前加not
因此答案选D
翻译：【这个玻璃杯很贵,小心不要摔了.】