— Ms.Griffin,what should we do stupid mistakes in the coming exams?
— Be more careful.
A.avoid makeB.avoiding making
C.avoid makingD.to avoid making
What's wrong with your forehead(前额)?
I knocked my head on the tree while I _____my dog.( )
A.walkedB.was walking
C.has walkedD.am walking
Yuan Longping's ______to our country is amazing.
I agree. He and his team even start to plant saltwater rice.( )
A.celebrationB.conversation
C.contributionD.collection
An AI robot _____in our school dining hall next term.
I'm looking forward to it.( )
A.will useB.will be used
C.is usedD.was used
I hear there will be a Peppa Pig Theme Park in Shanghai.
______big surprise!( )
A.What aB.WhatC.HowD.How a
Though Mr. Li _____his hometown for over ten years, he misses his old friends from time to time.( )
A.has leftB.has been away from
C.was away fromD.left