—hat 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 |
— Where is your ruler?
—_______ in the pencil case．
A．They are B．It’s C．This is
—What’s this in English, Miss Zhang?
—It’s ______ eraser．
A．an B．the C．a
—Do you like English?
—Yes, it’s．
A．boring B．interesting C．difficult
—are my keys? —They are on the sofa.
A．What B．Where C．Why
Pleasethese things to your brother．He is at school
A．bring B．look C．take