急.yesterday i went to see a film with an old friend.（改同义句）

急.yesterday i went to see a film with an old friend.（改同义句）
2 when he was writing letters,the student was too careless to notice his spelling.
when he was writing letters,the student didn't( )his spelling.
3 Although they failed many times,the experiment was successful at last.
Although they failed many times,the experiment was successful( )
We don't care whether she will finish her homework on time.
Whether she will finish her homework on time is ( ).
求这些句子的同义句!坐等回答