1,he hasn't been back to his hometown for 10 years it is........................................................................... 2,my mother spend hre hours making the dress It took.......................................................................

1. It is 10 years since he last was back to his hometown.

 (Mẫu : S + hasn't/haven't + Vp2 + .O... + for + time.

       -> It is + time + since + S + last + Ved + O...)

2. It took my mother three hours to make the dress.

 (Mẫu : S + spend + time + Ving......

       -> It took + (sb) + time + to V...)

Lưu ý : Hình như đầu bài câu 2 của bạn sai thì phải sai ở took hoặc spend . Bạn xem lại nhé)