It is beyond my understanding that many adults ______ be so crazy about Harry Potter series.

do youchoose to work in an international travel agency_ Well,you know, English is my So it is my best choice

下列各句中，没有语病的一项是（ ）

In that school, English is compulsory for all students, but French and Russian are _______.[ ]

Are you being_____, sir?—No, I just want to buy a cellphone.