Sắp xếp từ thành câu hoàn chỉnh

Bài 1: Sắp xếp từ thành câu hoàn chỉnh
1. doing / is / mother / what / your ?
2.An / Hung / are / what / doing / now / and ?
3.that / Hanoi / to / going / businessman / is
4. truck / is / he / driving / his .
5. waiting / is / who / he / for ?