Mike used to be an exemplary student, but he went off the ______ after getting into drugs.

Question 19: You're falling short on class attendance and you failed to submit the last assignment. You're walking on thin _______in this semester.

Mark the letter A, B, C or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s): I can say for sure that your father will hit the roof if he finds out that you have broken his watch.

The student had to keep his ______ to the grindstone all year and passed the entrance exam into the university he wanted.

My college graduation was a real __________ day for my whole life.

Question 14. He's really got the bit between his ________ so that he can pass the exam with flying colours.

It's very difficult to talk to our new classmate; she's such a cold fish.