改变下列句子,保持原意,每空格填上一词

改变下列句子,保持原意,每空格填上一词
1.Glad to meet you._______to_______you.
2.Thank you a lot.Thank you _______ _______.
3.A:How are you?B:I'm fine.
A:How are you?B:I'm _______ ________.
4.This is my ruler.This ruler is ________.