The patient’s health failed to such an extent that he was put into____care. 答案C
A)tense B)rigid C)intensive D)tight
The relationship between employers and employees has been studied________ 答案D
A)originally B)extremely C)violently D)intensively
It is quite necessary for a qualified teacher to have good manners and _____ knowledge. 答案A
A) extensive B) expansive C) intensive D) expensive