题目内容

A wood fire ___(burn) on the hearth, and a cat (sleep) in front of it. A girl (play) the piano and_ (sing) softly to herself. Suddenly there _ (be) a knock onthe door. The girl (stop) playing. The cat ___(wake) up.

查看答案

搜索结果不匹配？点我反馈

更多问题

Peter __________ (injure) hisankle. (His ankle is still bad.)

I ____________(read) your book.(=I’ve finished it.)

I __________(travel) a lot inAmerica. (= I know America.)

1、如何配制以下溶液,(包括用什么仪器计量;准确至几位;加何种溶剂及数量多少;如何溶解等):(1) 2g/L酚酞的乙醇溶液100mL(2) 1:2三乙醇胺150mL(3) 200g/L的NaOH溶液100mL