根据句意及汉语提示补全句子.每空限填一词.

根据句意及汉语提示补全句子.每空限填一词.
1.我爸爸是个作家,他经常熬夜到很晚.
My father is a writer and oftern ________ _______ very late.
2.在这个餐馆里每个人都很受欢迎的.
Everyone ________ _______ in this restaurant.
3.你能告诉我电看起来像什么吗?
Cay you tell me ______ elevtricity _______ _____?
4.他正试图查明出了什么问题.
He is trying to ______ _____ what the problem is.