转换成从句或并列句1Not knowing what to do,we asked Mr.Smith for some
1个回答

1.AS(Because) we didn't know what to do,we asked Mr.Smith for some advice.

2.When he arrived at the station,he found the train had left.

3.When(If) you turn to the left at crossing,you will find the shop you are looking for.

4.We hope the new machine will work faster and thus it will reduce our costs.

5.Although he had been told many times,he still couldn't understand it