用所给动词的适当形式填空。
A little monkey, Jackie by name, (1) _________ (live) with his parents at the zoo. Every day a lot of children (2) _________ (come) up to his cage to give him some sweets. He loves sweets, but he can't eat any more. He (3) _________ (have) a bad toothache. The doctor comes (4) _________ (see) the little monkey. The doctor rexplains the monkey shouldn't eat sweets. They (5)_________ (be) bad for his teeth. The zoo keeper (6)_________(not, know)what to do. The doctor(7)_________(tell) him to fix a special sign with(8)“_________(not, give) Jackie any sweets !”on his cage. Jackie likes (9)_________(eat) sweets very much, so he(10)_________(try)to take down the sign, but he fails. He feels very sad now .