Please tell me how many letters there are in the post office?为什么要用there are 而不是 are thereHow many trees are there in the park?是使用are there ..而问题中的句子却使用的是there are?...可是这个明明是问人的阿?...

Please tell me how you feel,I'm lonely. please tell me how ( )(answer)this question how to change myself?please tell me How.to solve.it?Please tell.me How to make a cake?Please tell me in English. Dear：Please tell me how to join the group,thanks. Please tell me how to forget someone?不是翻译哦 tell me how to coppy the files please, thank you! I'm very tired.Someone will be forever in my heart,Please tell me how to make choice I'm very tired.Someone will be forever in my heart,Please tell me how to make choice中文是什么 I'm very tired.Someone will be forever in my heart,Please tell me how to make choice Please teach me!How to relax after my exam?Please tell me! Please tell me this please tell me Tell me a___,please. Why?Please tell me. Please tell me why? Please tell me dear