Nancy is _______ dancing, and she keeps dancing till midnight every day.
| A．curious about | B．crazy about |
| C．worried about | D．concerned about |
________ there is going to be a policy change _________ of those things is going to change.
| A．Unless; few | B．Until; few | C．Unless; none | D．Until; none |
Nothing_______ after the terrible fire which had been caused by someone smoking in bed.
| A．left | B．was remained | C．remained | D．continued |
________ very confused，the little girl looked up the information in the book to find out the answer．
| A．Being felt | B．Felt | C．Feeling | D．To feel |
— My sons are not a little restless．
— Oh? Boys _______ be boys．
| A．should | B．can | C．may | D．will |
---You haven't lost the concert ticket, have you?
--______. I know it is not easy to get another one at the moment, but nowhere can I find it．
| A．No, I haven't | B．I don't hope so |
| C．Yes, I'm afraid so | D．I hope not |