B. Unless the homework is difficult, I will ask you for help.
C. Unless the homework is easy, I won’t ask you for help.
Đáp án A
The surgeon examined the patient quickly, and then the operation was begun.
World hunger it is one of the most urgent problems that we face today.
Mark the letter A, B, C, or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions.
Children normally feel a lot of anxiety about their first day at school.
Our form teacher couldn't come to the party’, _______was a pity.