阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
Husband: Honey, what are you doing with your nose in the newspaper all afternoon?     Is it that     (interest)?
Wife: I have no interest    the news reports, but the apartment ads. Don't you think we should get a larger apartment than our present one?
Husband: This apartment is fine. It's big enough for us.
Wife:    is obvious that this apartment is too small. We have been living here     we got married. It's time we moved.
Husband: I'd rather stay here. I love this old place.   , we don't need all that extra room.
Wife: Yes, we do. We need   extra bedroom. Then it'll be more comfortable for our baby.
Husband: Our baby? Are we having a baby?
Wife: Yeah, we are going to have a baby. I     (wait) for the right moment to surprise you with the news.
Husband: This is a huge surprise! I'm so happy     I can hardly believe it! But where will we get enough money     (buy) a larger apartment?
Wife: Don't worry. I think we can afford (买得起) a more expensive apartment. Look, you got a raise last month. And my salary will     (certain) help.
Husband: Well, yes, good point. I guess we should look at a few apartments.