1 . ________ (actual), there are 52 students in our class. (所给词的适当形式填空)

2 . He ________ (坚定地) holds the belief that knowledge and talents come only from practice. （根据汉语提示单词拼写）

3 . We didn’t know you were in trouble at that time, ________（否则）we would have given you a hand. （根据汉语提示单词拼写）