Mary shut the window just now ______ she could keep the insects out.
A.so thatB.whenC.tillD.after
He likes watching the fifth channel._____channel is about sports.( )
A.AnB.TheC.A
We are not allowed to laugh when we_____.( )
A.ateB.have eatenC.are eating
______beautiful the Shennong Lake is! Everyday I must take a walk there.( )
A.What aB.WhatC.How
All roads lead to Rome. The roads are just_____your feet.( )
A.underB.inC.on
You look so weak! I think you_____go to see a doctor at once.( )
A.mightB.shouldC.could