--- What do you think of the grammar book?
--- Oh, it really is ________ useful reference book, which is worth reading ________ second time.
| A．a; a | B．an; the | C．an; | D．the; the |
Our school, _____ in 1943, will celebrate its 70th anniversary this year.
| A．founded | B．founding | C．to be founded | D．was founded |
It was not until 1978_____ set free from the prison.
| A．that the old professor was | B．did the old professor |
| C．was the old professor | D．that was the old professor |
She hurried to the entrance at which the car _____, and looked forward to seeing her husband.
| A．would arrive | B．has arrives | C．arrived | D．will arrive |
--- Did you return the book you borrowed from Tom?
--- Yes, I gave it to him ______ I saw him.
| A．for the moment | B．the moment |
| C．for a moment | D．at the moment |
You _____ have bought the book for me, but thank you all the same.
| A．shouldn’t | B．needn’t | C．can’t | D．mustn’t |