We have English speech contest _____ October third every year.[ ]

David, turn off the TV _____ no one is watching it.—But it _____ off already! The music is from the radio.[ ]

How are you going to the Summer Palace?—We’re going therebike. [ ]

My glasses __________ broken last night. Can you help me to repair them?

There is no doubt _____ we will succeed if we try our best.