The best way to explore _______ countryside is on _______foot.
Bob’s doctor suggests _______ for a few days.
Because of the financial crisis, days are gone ______ local 5-star hotels charged 6,000 yuan for one night.
It is reported that the police will soon ____ the case of two missing children.
We are invited to a party _________in our club next Friday.
When I got home, I found the door open, a terrible thought ______ me—had any one broken into the house?