英语选择填空1.When he saw his mother was busy,he began to ________

英语选择填空
1.When he saw his mother was busy,he began to ________ the chores.
A.help did B.help wish C.do some help
2.Could you _______ the window I feel a little cold.
A.please not to open B.please not open C.not please to close
3.He is hard-working and brave.He is _______ outstanding in the future.
A.sure of B.to be sure C.sure to be