When he was 20,he left school and went to Beijing,________he made great progress and becamean engineer[ ]

下列有关文学常识的表述，有误的一项是（ ）

He won’t want to eat it unless he’s really hungry, in case he’ll eat almost anything.

Please ask the headmaster to decide .

－This is your eraser. Here you are.－Thank you，Mr. Hu.－_____________.