— Has Sam finished his homework today? — I have no idea. He ________ it this morning.
______ its size with that of the whole earth, we find the highest mountain does not seem high at all.
“How can we go outing in this kind of weather!”! Bob said,__________ out of the window.
All the preparations for the work_______, we’re ready to start.
Zhuhou, _______ on the Xiang River, is an important city, second only to Changsha.
The flowers his friend gave him will die unless______ every day.