I'm afraid I can't do well in the running race. I might let my classmates down.
. You don't need to push yourself too hard.( )
What a pity
Take it easy
It's a pleasure
His mother won't be there,________ his father might.( )
A.andB.butC.or
_______ pleasant journey it is!( )
A.HowB.WhatC.What a
My best friend helps to ______ the best in me,as the saying goes.( )
A.bring outB.bring inC.bring up
Artemisinin _______ by Tu Youyou,a great Chinese scientist.( )
A.was inventedB.invented
C.has invented
As our children get bigger,our house seems to get ________.( )
A.the smallerB.smaller
C.smallest