1 . The joy of traveling lies not in arriving at your destination ______in the journey itself. (用适当的词填空)

3 . The park has both playgrounds ____________picnic areas.(用适当的词填空)

4 . Turn your radio down, ____________you’ll wake the neighbors. (用适当的词填空)

5 . Hurry up, ______ you can’t make it to the station in five minutes.（用适当的词填空）

6 . You need to hydrate（给……补水）your skin,_________it will become too dry.（用适当的词填空）

7 . Success always hides behind the next corner in the road, so you will never know how close it lies       you turn the corner.

A．as	B．if
C．though	D．unless