How do you think that he was an hour late on such a short journey?
| A．it came about | B．did it come about | C．it was come about | D．was it come about |
Maybe if I________ science, and not literature then, I would be able to give you more help.
| A．studied | B．would study | C．had studied | D．was studying |
It is still under discussion __________the old bus station should be replaced with a modern hotel or not.
| A．whether | B．when | C．which | D．where |
She has already tried her best. Please don’t be _____ about her job.
| A．special | B．responsible | C．uncertain | D．particular |
— You look upset. What’s the matter？
— I had my proposal _______ again.
| A．turned over | B．turned on | C．turned off | D．turned down |
In that school, English is compulsory for all students, but French and Russian are _______.
| A．special | B．regional | C．optional | D．original |