—How long can we read in the library?    —It ______ from 8 a.m. to 6p.m..

--- What’re you going to do to protect the environment? --- Plant trees on       side of the river.

Jack never stops talking. He is much ___ than his brother.

 Leo was so __________that he rushed to the kitchen ,hoping to find something to eat.

 The meat is ___ dear and eating ___ meat is bad for your health.