He always lacks enthusiasm in work,and he's never ________a job for longer than a few weeks.
Another primary school is reported ______ for children in Wenchuan now.
She had no idea how it ______ that her husband met with the same trouble.
–I’ll ask the teacher about the noun clause. I’m very puzzled about it. --That’s just ______ most of us have doubt.
I should have bought the beautiful vase, but I ____________enough money.
–Do you think they have as many books as they’ve described? --Well, in my opinion, they have few books, if ______.