the students is busy ( )their exams
the students is busy ( )their exams
the students is busy for their exams;the students are having
The girl is busy for exams.
Students on the Move for Their Exams -Fair or Unfair?
The students are __(worry) about their exams
the students are p____ for their exams next week
the students are busy ()their homework
按首字母填空 The students are busy s________for the coming exams.
有谁懂非谓语的.The students are all busy _________ the exams.
The students were busy doing their()when the teacher entered
The students were busy doing their homework,only____ once in
The students are busy with their homework 同义句转换