15.A number of books ______ been stolen from the library since the beginning of this term and the number _____ as large as 500.
| A．have; are | B．has; is | C．has; are | D．have; is |
Rose _________ tell her mother that she didn’t pass the exam.
| A．dare not to | B．doesn’t dare to | C．doesn’t dare | D．dares not |
Tom has been absent for two days．Do you know what _________ to him?
| A．has happened | B．would happen | C．was happened | D．had happened |
--Which of the two films do you prefer?
-- To tell you the truth,, I don’t like _________.
| A．neither of them | B．both of them |
| C．either of them | D．none of them |
_________ it rain, the crops would be saved.
| A．Will | B．Should | C．Would | D．Could |
It was unwise of him to _________ the unreliable data in his speech.
| A．refer to | B．add to | C．belong to | D．point to |