—What ______ when the earthquake happened on May 12th ?—Er, I was having a geography class in the classroom. A. are you doing B. did you do C. were you doing D will you do
Some old buildings _______ and a new stadium for Nanjing 2014 Youth Olympic Games is being built right there.
Could you recommend me _______?
Even if an advertisement does not lie, it does not mean it is altogether _______.
Don’t worry. I promise you _______ have the tickets for Wang Fei’s concert.
Many good suggestions were _______ at the meeting to cheer up teenagers to be more confident.