Bob fails to attend the evening school. He ______ sick, because he never asks for leave.
A: maybe
B: can be
C: must be
D: is
A: maybe
B: can be
C: must be
D: is
举一反三
- W: Can we leave the lab now, teacherM. No, you must tidy the lab before you leave. When can the student leave(). A: The student can’t leave unless he has put everything back in the cupboard. B: The student can leave after he turns off the electricity. C: The student can leave after he has tidied the lab.
- He asks when will they leave.
- Why does Mr. David want to see Mr. Ryan A: He seldom gets iii. B: He is in poor health. C: He never takes a sick leave.
- Since it is _______ to ask for sick leave, he often uses it as an excuse for staying away from school.
- A) He is the new manager. B) He is away on business. C) He is on sick leave. D) He is retired. A: B: C: D: