I________a training course in Hangzhou to study English in the coming summer vacation.[ ]

Is it ______ that the volcano nearby will erupt these days? —–No, I don’t think so.

water do they need for the sports meeting—They 30 bottles because more than 20 students are in the sports meeting.

Either you or one of your students___to attend the meeting__ tomorrow.

After studying in an agricultural college for four years, Jack 　　　　his job as an advisor in the countryside.