Cloning the sheep ----Dolly is a big in science.
| A．progress | B．run | C．jump | D．rush |
Here was a nice little present for everyone, with a suitable poem ________ to it.
| A．attached | B．attacked |
| C．attracted | D．attributed |
________ no point in beating around the bush. Let's ________.
| A．It's; come straight to the point |
| B．There's; come to the point |
| C．This is; get to the point |
| D．That is; reach the point |
—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 |