The team are working hard to ___ the problem so that they can find the best solution.
——Lily is going to make a presentation in class this afternoon.—Oh, really? I _____it was Michael’s turn.
_____H7N9 is a deadly virus, it is still safe to eat thoroughly-cooked chicken.
The house is dirty because it since they moved out.
With hundreds of attractions, Beijing is a city _____ makes a lasting impression on itsvisitors.
—Hurry up! Can’t you drive faster ,Jack?——No. If I got _____speeding ticket ,my dad would take away my car.