连词成句。(只填序号) 1. youhelpCan I _____________________? ① ② ③ ④ 2. pandaThisais _____________________. ① ② ③ ④ 3. What thosebirdsare ______________________? ① ② ③ ④ 4. planestheseAretoy ______________________? ① ② ③ ④ 5. someWewanttoys ______________________. ① ② ③ ④