--- Would you please tell me_____ the timetable (时间) has changed?--- Because the students should have a rest at noon.A. if B. when C. why
When the teacher asks him, he always ____.
Mr. Li makes me ____, because it is bad for my health.
Tom didn’t go hiking with his classmates ____ his illness.
How will you feel when ____?
Do you have difficulty ____ English?