根据短文内容，用方框中所给单词的适当形式填空，每词限用一次

answer      be     strange    take    while

Mary: What were you doing last night? I called at seven and you didn't pick up.

Linda: Oh, Iin the kitchen helping my mom.

Mary: I see. I called again at eight and you didn'tthen either.

Linda: What was I doing at eight? Oh, I know. When you called, I wasa shower.

Mary: But then I called again at nine.

Linda: Oh, I was sleeping at that time.

Mary: So early? That's.

Linda: Yeah, I was tired. Why did you call so many times?

Mary: I needed help with my homework. Soyou were sleeping, I called Jenny and she helped me.