根据句子意思，用括号中所给汉语提示或英语单词的适当形式填空(每空一词)

小题1:You will be 　　　　　 (惩罚) if you are found copying others’ homework.

小题2:Deaf people can 　　　　　 (交流) with each other with sign language.

小题3:The project are 　　　　　(期待) to continue next week.

小题4:I felt so 　　　　　(自豪) of myself when I finished the work alone.

小题5:Reading history books can improve our 　　　　　 (知识) of the past.

小题6:Let’s have a        (discuss) about our class trip.

小题7:Children should be taught to spend their free time 　　　　　(wise).

小题8:The patient is too poor to receive ________(medicine) treatment.

小题9:You must be surprised to know that the ant has two ________ (stomach).

小题10:The boy had trouble ________ (explain)the question .

SQL语言中的GRANT和REVOKE语句主要用来维护数据的【 】。