. He stood up, _______ the large door and looked outside. There on the ground lay a white dog.
| A．opens | B．opened | C．opening | D．having opened |
. A notice was____in orderto remind the students ofthe changed lecture time.
| A．sent up | B．given up | C．setup | D．put up |
. In our class, when the bell rang and the teacher closed his book, it was a______for everyone to stand up.
| A．mark | B．chance | C．signal | D．measure |
Now, in our country free medical treatment covers sickness of mind as well as ______sickness.
A. o
rdinary 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.
| A．the; the | B．the; a | C．a; the | D．a; a |
— You should apologize to her, Barry.
—______, but it’s not going to be easy.
| A．I suppose so | B．I feel so | C．I do so | D．I like to |