—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 |
–Would you like _________? –Thanks, I am full.
| A．something to eat | B．somethings to eat | C．eating something | D．something to drink |
Since we have a new friend here, why not ____ a party _____ next week?
| A．have, sometime | B．to have, sometimes | C．having, some time | D．have, sometimes |
Tom looks ________, for he hardly ever exercises ____ his free time.
| A．unhealthy, in | B．unhealthy, on | C．healthy, in | D．healthy, for |
--________ does your father visit your grandparents a week? –Once.
| A．How often | B．How many times | C．How long | D．How soon |
--________ do you have PE? –Every Monday, Wednesday and Friday.
| A．How often | B．How long | C．How many times | D．What time |