单选题:( ) You may not go out __________ your work is done. 题目分类:英语 题目类型:单选题 查看权限:VIP 题目内容: ( ) You may not go out __________ your work is done. A.before B.until C.where D.as 参考答案: 答案解析:
( )Where do people usually meet their friends in England? ( )Where do people usually meet their friends in England? A.In a cafe. B.In a re 分类:英语 题型:单选题 查看答案
( )The word “which”refers to__________. ( )The word “which”refers to__________. A.their ability B.reading vocabulary C.i 分类:英语 题型:单选题 查看答案
适用于管壁厚度为30mm的高压钢管焊接的坡口形式是( )。 适用于管壁厚度为30mm的高压钢管焊接的坡口形式是( )。A.只是V形 B.只是U形 C.只是I形 D.V形或U形 分类:英语 题型:单选题 查看答案