It's not easy to change habits,__________ with awareness and self-control, it is possible.
The police tried ________________ to break up the protest crowds.
When we climbed up to the top of the mountain, we were all___________.
. All the students were____ when they heard the_____ news.
Last night he worked until late. _____, he had to walk home in the dark.
_______ with the size of the whole earth, the biggest ocean does not seem big at all.