China has a history of over 5,000 years. It is one of the ________ countries in the world.( )
biggest
richest
oldest
Sarah is ______than her sister Susan.Sarah is 166cm tall.Susan is 171cm tall.( )
A.shorterB.shortestC.tallerD.tallest
I'd love to go to the water park with you.But I _______ swim.
It doesn't matter.I will teach you.( )
A.mustB.mustn'tC.canD.can't
My uncle and aunt live in the countryside.They _______ strawberries.( )
A.turnB.makeC.growD.play
Jim is very sick.We must find a doctor.
Let's take him to the nearest _______.( )
A.bankB.hospitalC.stationD.restaurant
I hear that you stayed in Canada for _______ days last summer.
Yes.I stayed there for a week.( )
A.threeB.fourC.sevenD.eleven