If we _____ take environmental problems seriously,the earth _______ worse and worse.( )
A.don't; won't beB.won't; isn't
C.won't; isD.don't; will be
It's going to rain.We'll be wet ___we get home.( )
if
after
when
unless
﹣I'm looking forward to the picnic tomorrow.
﹣I'm sorry to tell you that we have _____the picnic till next weekend.( )
gone on
put off
given up
prepared for
I can't find my bag.Maybe someone took it _______.( )
in fact
by mistake
by accident
in person
The more knowledge you get,the _____you will be.( )
braver
poorer
stranger
smarter
Larry,____the cake into six pieces and share them with your friends.( )
mix
turn
make
divide