Your niece is very strict and ______ worth teaching, but your nephew is not. Look, he is now ______ asleep in class.

Though ____money, his parents managed to send him to university.

 There is no perfect person, some people have made _____success of themselves in spite of what would appear to be ______ weakness in their professions.

With a lot of difficult problems ______, the newly-elected president is having a hard time.

Charles was alone at home, with        looking after him.