The meat is______dear and eating______meat is bad for your health.
The days _____ they spent their childhood together have already gone.[ ]
Our teacher told us that light _____ much faster than sound.
The white trainers are nice．Can I________?
Excuse me, when and where will the next Olympic Games take place?— The 31st Olympic Games _______ in Rio de Janeiro, the capital of Brazil in 2016.
