Whenever I have problems, Jane is always very dependable. She never _______.
Đáp án B
– let someone down (để ai thất vọng)
Ann's encouraging words gave me _________ to undertake the demanding task once again.
In the US the first stage of compulsory education _________ as elementary education.
The local people insisted that the road_________50 cm more so that, in case of flood, they still can travel on it.