—What do you think of genetically modified food (转基因食品)?
—We all think ______ is careless ______ some scientists to say it is safe before doing any experiment.
| A．that, for | B．it, for | C．it, of | D．that, of |
相关试题
My brother knows Siyang city very well because he_______there many times with his friends.
| A．has been | B．has gone | C．went | D．goes |
-How long have you_______in this street?
-________
| A．lived；two years ago | B．come；For two years |
| C．been；Since two years ago | D．gone；Since 2005 |
-Be quick. The meeting_______for five minutes.
-OK. I'm coming.
| A．began | B．has begun |
| C．has on | D．has been on |
-You can't drive_______high speed on the country road. It's so dangerous．
-Thank you ．I won't.
| A．in | B．on | C．to | D．at |
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