When the building was completed, he paid __________ the workers.
| A．off | B．for |
| C．back | D．in |
_______ is obviously right is that all children have equal opportunities to get education.
| A．Which | B．What | C．That | D．It |
The project _______ a success as the income of the company increases every year.
| A．is proved | B．had proved | C．has proved | D．has been proved |
---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 |
— My sons are not a little restless．
— Oh? Boys _______ be boys．
| A．should | B．can | C．may | D．will |
________ 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 |