37. After failing many subjects, the student finally realized ________ he had to be more serious wit

問題詳情

37. After failing many subjects, the student finally realized ________ he had to be more serious with hisstudies.
(A) if
(B) of
(C) that
(D) what

參考答案

上一篇 : 36. The stoves are very hot. You had better not let your children ________ around in the kitchen.(A)
下一篇 : 38. Nowadays, people often have their eyes ________ to their cellphones rather than exchange convers