our teather often tells us ___ to the old politely(speak)
问题描述：
our teather often tells us ___ to the old politely(speak)
答
to speak
tell sb. to do sth. 告诉某人做某事, tell要跟动词不定式
答
to speak tell sb to do
答
to speak (tell sb to do sth 固定用法‘叫某人做某事’）
答
talk