Between the two parts of the concert is an interval, ______ the audience can buy ice-cream.
| A．when | B．where | C．that | D．which |
I didn’t know that he was a cheat, or else I ________________ him.
| A．should have believed | B．shouldn’t believe |
| C．wouldn’t have believed | D．couldn’t believe |
After starting work, Cao spent his evenings _____ in his books and was eventually admitted to a secondary technical school.
| A．burying | B．buried |
| C．being buried | D．having buried |
Provide your doctor with a detailed medical history ______ he can give you the accurate treatment.
| A．even if | B．so that |
| C．in case | D．as though |
Though ______ to see us, the professor gave us a warm welcome.
| A．surprising | B．surprised |
| C．was surprised | D．being surprised |
Most people go to the theatre not to see a play ______ plot is complicated, but to listen to brilliant dialogues between actors.
| A．where | B．what |
| C．which | D．whose |