It is our _____that improvements in health care will lead to a stronger, more prosperous economy.
| A．belief | B．study | C．custom | D．way |
—You didn't wait for Mr. Smith last night, did you?
—Yes, but we ________. He didn't return home at all.
| A．don't have to | B．needn't have |
| C．didn't need to | D．should have |
I remember a _____ famous scientist said that we should believe in ourselves first of all.
| A．some | B．certain | C．sure | D．other |
The Columbia has finished the task in the International Space Station and is reported to come back to the earth tomorrow, or to be more _____ , at 3:32p.m. local time.
| A．brief | B．special | C．general | D．specific |
--- Susan _____Catherine so much in the way she talks.
--- Of course. She is Catherine’s daughter.
| A．is resembled | B．is resembling |
| C．resembles | D．resembled |
Do you know which president of the USA _____ slavery?
| A．abolished | B．destroyed | C．hurt | D．damaged |