—What do you think of the concert? —I really enjoy it. I didn’t expect it was ____ wonderful.
When we climbed up to the top of the mountain, we were all ___________.
I ________ while reading the English textbook. Luckily, my roommate woke me up in time!
Every year, the coal workers their lungs X-rayed to ensure their health.
We ________ to go skiing tomorrow,but there’s no snow,so we’ll just stay home instead。
—Has Sam finished his homework today? —I have no idea. He ________ it this morning.