单选题 We shall begin to learn().

单选题 You() my classmate.

单选题 ()you heard of that person?

单选题 I() a teacher,not a doctor.

单选题 Sally() sometimes late for school.

单选题 ()he come back?

单选题 ()she been to the Great Wall?

单选题 Jacky and Linda()good friends.

单选题 They()usually busy on Monday.