1.Let's go to the zoo.(改为同义句)
(1)＿＿ ＿＿ go to the zoo?：
1 Shall we go to the zoo?（最好是这个答案）或者 2 Why not go to the zoo?
(2)＿＿ ＿＿ going to the zoo?：
1 What about going to the zoo?或者2 How about going to the zoo?