下列属于纠正不良习惯的方法有[     ]

①让好朋友来监督约束自己

②用暗示法提醒自己

③每天下决心改，每天犯老毛病

④写日记来约束自己

A．①②③

B．②③④

C．①②④

D．①③④

First impressions are the most lasting. After all, you never get _____ second chance to

make _____ first impression.

[      ]

A. a; a

B. a; the

C. the; the

D. the; a