12．
Duties of a Student
Education is the very thing that we want to receive．Our parents （92）send us to school so as to enable （使能够） us to get knowledge and achieve great things in the future．The followings are the duties of a student which we should keep in （93）mind．
Firstly，we should be filial （孝顺的） to our parents and respectful to our（94）teachers．
Secondly，we must study as （95）hard as we can．
Thirdly，we must not tell lies．
Last of all，we must not criticize （苛求）（96）others．
To sum up，the above-mentioned rules are the very duties of a student．
| hard，others，send，teacher，mind |
Education is the very thing that we want to receive．Our parents （92）send us to school so as to enable （使能够） us to get knowledge and achieve great things in the future．The followings are the duties of a student which we should keep in （93）mind．
Firstly，we should be filial （孝顺的） to our parents and respectful to our（94）teachers．
Secondly，we must study as （95）hard as we can．
Thirdly，we must not tell lies．
Last of all，we must not criticize （苛求）（96）others．
To sum up，the above-mentioned rules are the very duties of a student．
10．（ ）
| A． | white | B． | who | C． | where |
8．Hi，Peter!
Hi，Tom．I _______ know you ______ here．How long have you been here？（ ）
0 113703 113711 113717 113721 113727 113729 113733 113739 113741 113747 113753 113757 113759 113763 113769 113771 113777 113781 113783 113787 113789 113793 113795 113797 113798 113799 113801 113802 113803 113805 113807 113811 113813 113817 113819 113823 113829 113831 113837 113841 113843 113847 113853 113859 113861 113867 113871 113873 113879 113883 113889 113897 159627
Hi，Tom．I _______ know you ______ here．How long have you been here？（ ）
| A． | don't； are | B． | did't； are | C． | didn't； were | D． | don't； were |