1 . Parents are always seeking for toys that are able to keep their kids o________ for a couple of hours.

2 . The trousers are so long for me that I have to have them ________(缩短).

3 . The moment she left the market, she found herself_____(欺骗) by the seller. (根据汉语提示单词拼写）

4 . Instead of doubting yourself, you   need   to   strive   to   achieve   more   with   the   attention _______ (集中) on your goal.（根据汉语提示单词拼写）