下列各句中，加横线的成语使用恰当的一项是 （ ）

I like your pet dog very much. But I can’tfind _______ in the pet shop. Where did you buy _______

There was so serious a matter that I had no choice but _________ the police.

Henry goes to a free class every Sunday afternoon which______at 4 pm

Besides French, my uncle speaks English, but I can only speak a few broken sentences of English.[ ]