Without you, I _______ the first prize in the speech contest. Thank you, John.

. He hesitated for a moment before kicking the ball, otherwise he ____ a goal.

Although James Cook　　　the first westerner to have discovered Australia,New Zealand and Hawaii,his travels led to the creation of more accurate and reliable maps for vast parts of the world.

All our teachers demand that we ___________.

       it rain tomorrow, we would have to call off the hike.