用所给词的适当形式填空。(30分)
off　　for　　to　　up　　 on    some  did  what  bought  and
（1）________ Jill find a town?
（2）________ happened to your head?
（3）He went________ a bike ride yesterday.
（4）Sam carried the watermelon________ the bike.
（5）Amy fell________ her bike.
（6）Did you buy________ water?
（7）They went________ the hill.
（8）She took me________ the hospital.
（9）We________ a book yesterday.
（10）We were hungry________ thirsty.