39．–Is it the_______bad smell that is difficult-Of course．

ing to the regulation of Education Ministry, a full-time middle school or primary school _______ hold a flag-raising ceremony once a week, except during vacations.

This restaurant has become popular for its wide ______ of foods that suit all tastes and pockets.

What does the sign over there say — No person _________ bring drinks into the studentcomputer room.

______ being fun and good exercise ,swimming is a very useful skill