I don't know when I'll finish

I don't know when I'll finish Don't worry.I'll finish it____. I don't know when he ____ back tomorrow.Don't worry,I 'll ca I don’t know when he_____________; when he__________, I’ll t i don't know can i finish it when i go to school 语法对吗 Choice 1.I don’t know when he ___,but when he ___,I’ll speak 选择填空 ()1.I don’t know when（ ）.When he ( ) ,I’ll call you .A. 46.I don't know when he ____a__,but when he ______,I'll let when _____again?I don't know.but when she_____,I'll let you I don't know when I will finish my homework改为同义句 I don't know when Jim _____.I'll meet him at the airport whe I don't know when Mr.Li ____ back.But I'll call you at once