Even if we learn something well, we will forget it_____we use it.( )
while
until
unless
When is Father's Day in the United States?
It's on ___________third Sunday in June.( )
A.aB.theC./
We have to say goodbye._______ time flies!( )
A.WhatB.HowC.What a
The classroom ________ by the students every day.( )
A.cleanB.cleansC.is cleaned
Li Hua's shoes are as _______ as Zhang Hui's.( )
A.cheapB.cheaper
C.the cheapest
What did your PE teacher say about your high jump at the sports meeting?
He said that I _______ better.( )
A.could doB.have doneC.will do