I was completely terrified when I suddenly saw a dark figure leaning ________ the door in front of me.
People try to avoid public transportation delays by using their own cars and this ______ creates further problems.
. A notice was ____in order to remind the students of the changed lecture time.
. In our class, when the bell rang and the teacher closed his book, it was a ______for everyone to stand up.
Now, in our country free medical treatment covers sickness of mind as well as ______sickness.A. ordinary B. average C. regular D. normal
The biggest whale is ______ blue whale, which grows to be about 29 meters long—the height of ______ 9-story building.