37. All you need to do when preparing for big exams ________ study hard and do enough practices.(A)

問題詳情

37. All you need to do when preparing for big exams ________ study hard and do enough practices.
(A) is
(B) to
(C) are
(D) will

答案：A
難度：計算中-1
書單：沒有書單，新增