皮皮学，免费搜题
登录
搜题
【单选题】
--What ____________when I phoned you? ----I_____________and began to have a bath.A.
had you done; finished
B.
were you doing; had just finished
C.
did you do; had just finished
D.
were you doing; was finishing
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】we imagine the twins have arrived,______?
A.
Don’t we?
B.
Have they?
C.
Haven’t they?
【简答题】()是指一次地震时,震源处所释放能量的大小.它用符号M表示。我国使用的震级是国际上通用的(),将地震震级划分为()个等级,目前记录到的最大地震尚未超过8.9级。
【简答题】简述汽车电气系统的组成及特点。
【简答题】简述汽车电气系统的组成及特点。
【简答题】简述汽车电气系统的组成及特点。