---English is very important, so don’t _______. —Thank you. _______.
You _____ tell anybody about this——it’s a secret. A. can B. mustC. mustn’t
The answer is wrong.There are _____ mistakes. A. someB. noC. much
_____ is your grandmother? Is she fine? A. WhatB. HowC. Where
The car is _____.It needs washing. A. cleanB. dirtyC. old
I didn’t go surfing _____ it was too cold. A. though B. so that C. because