21. Teachers have to do a lot of work at school. They also need to ____

問題詳情

21. Teachers have to do a lot of work at school. They also need to _____ students’ problems.
(A) deal of
(B) deal in
(C) deal with
(D) deal on

答案：C
難度：計算中-1
書單：沒有書單，新增