Though he is 10 years old, he doesnt know that 2 ______ by 4 makes 8.
All Paul’s money had been ________,so he had to make a living by begging.
Though he failed in the experiment again and again, he didn’t______, and at last, he made it.
The plant is dead. I _____ it more water.
It is said that in Australia there is more land than the government knows _______.
The discussion ________ alive when an interesting topic was brought in.