Although _________my opinion, the old professor didn't come up with his own.
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.
Lily, help me put up the picture on the wall, ?