My friend had no difficulty in passing the driving test.

A. My friend found it easy to pass the driving test

B. My friend found it impossible to pass the driving test

C. My friend succeeded in passing the driving test

D. Passing the driving test shouldn't be too taxing for my friend

Cho các dung dịch có cùng nồng độ mol gồm: NH₃ (1), CH₃NH₂ (2), NaOH (3), NH₄Cl (4). Thứ tự tăng dần độ pH của các dung dịch trên là : 

A. (4), (1), (2), (3). 

B. (3), (2), (1), (4). 

C. (4), (1), (3), (2). 

D. (4), (2), (1), (3).

Bill has a real ______ for looking after handicapped children

A. career

B.post

C. inspiration

D.vocation

I'm thinking of changing my job because there are few _____ of promotion

A. prospects

B. opportunities

C. chances

D.sources