(用所给词的适当形式填空) After she __________ (finish) her homework，she went to bed．

(用所给词的适当形式填空) Our teacher __________ (talk) about it with us yesterday．

(用所给词的适当形式填空) She __________ (be) at home all the time last Saturday．

(对画线部分提问) It takes me about two hours 　 to finish my homework．

(对画线部分提问) He found a black cat behind the doorndline．

(改为否定句) Millie went to Beijing last Friday.

(根据句意及首字母或中文提示写出单词) My friends post me some _________(明信片) at Christmas.

(根据句意及首字母或中文提示写出单词) As a _________(班长)，I must work hard，help the teachers and my classmates.

(根据句意及首字母或中文提示写出单词) How many _________(小刀) are there in your kitchen?

(根据句意及首字母或中文提示写出单词) I try many times，but I still f_________.