（2017·江苏）He hurried home, never once looking back to see if he _______.

Your composition is well-written ______ a minor spelling mistake

. If you think that the illness might be serious, you should not ______ going to the doctor.

19 The matter has reached to a point ____ the two sides will have togo to court

Many scholars share the belief that interest is as _____ to learning as the ability to understand, even more so to some degree.