How do you go to school? —I go to school _____. [ ]

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.

The movie was so funny that it made him ___________again and again.

Is this park______you’ve visited recently? — Yes, it’s the most beautiful one I’ve ever visited before.

I haveaunts, and myaunt works in Nanjing.