1 . In order not to wake his baby up, he had his voice l__________ and tiptoed across the room. (根据首字母单词拼写)

2 . Students who are angry, afraid, or experiencing anxiety may have their arms_______________in front of their chests. （根据句意填空）

3 . She was sitting in an armchair with blankets_______ (包裹)around her. (根据汉语提示单词拼写)

4 . It is a good idea to put up your goals where you can keep yourself ______________（提醒）of what you are working for. (根据汉语提示单词拼写)