What should we do to protect the fish in the river?
We_______ throw rubbish into the river.( )
need
needn't
must
mustn't
Mike,let's prepare for our baseball game.
OK.We'll lose the game ______ we try our best.( )
unless
once
after
since
Look!Your teacher Miss White is over there.
No,it can't be her.She ______ to Beijing.( )
has gone
has been
went
will go
I know Old Joe lives ______.
We are supposed to visit him from time to time.Then he won't feel _______.( )
alone,alone
lonely,lonely
lonely,alone
alone,lonely
Your uncle is very good at cooking!How did he learn it?
He learned it by _______.( )
him
himself
her
herself
Are you thirsty?
Yes,please give us _______.( )
three bottle water
three bottle of water
three bottles of water
three bottles of waters