You can get to your destination earlier ______ you don’t mind taking the night train.[ ]

1The girl withher grandparents for the moment because her parents are both very busy thismonth.

There are always ____interesting stories in the seriesthat ___ many people watch them.

．Elephants, which are the largest mammals on the earth, have almost no natural enemies ______ human beings.

Betty is _________careful as I, but I’m _________ than you.