Choose the correct word or phrase to complete each sentence.
Trả lời câu hỏi dưới đây:
- Would you mind lending me your bike? - ___.
Đáp án B: Not at all: không vấn đề gì, không có gì
__________ John Kennedy was elected president, he was the youngest American President ever.
Education in many countries is compulsory________the age of 16.
Regular exercise and good diet will bring______fitness and health.
______ his brother, Mike is active and friendly.
______ one of the most beautiful forms of performance art, ballet is a combination of dance and mime performed to music.
The examination was not very difficult, but it was_____________________ long.
She asked me______I was looking at.
Michael looked deeply hurt and surprised when_____________________ .
We all agree that she is____________________ student in our class.
The phrase "keeps sellers on their toes" in the passage mostly means "______".