--- Jack fell off the ladder yesterday，but he is all right now.
---What a lucky dog! He ________himself badly.

－I didn’t watch the program “Where are we going, Dad?” yesterday.
－I _______, either, if my father hadn’t reminded me.

If the dog hadn’t woken us, we wouldn’t have noticed the fire and it _____ to the house next door.

________ the present unemployment continue, the society would face a more
troublesome situation.

—Did you pass the driving test?
—No.I ________ it，but I had little time practising.

—Do you still remember when we went to Nanjing?
—I can't remember now but ________ sometime last summer?

They________have arrived at lunchtime but their flight was delayed.(2011·全國 )

I didn’t know that he was a cheat, or else I ________________ him.

The plant is dead. I ______it more water.

I hope to have a car of my own so that I________ compete with others for space on crowded buses.