Managing money has long been a headache for students mostly supported by their family, who find it ________ to deal with their finances.

—Did you look up the time of the high-speed trains to Shanghai? —Yes, the early train is        to leave at 5:30 a.m.

He was an _____ poet at that time and his _____ poems spread through all the country.

Is English Literature a(n)____ lesson, or does everyone have to learn it?

Math is_______ mathematics.