It was at the shopping center ______ Mary and I had an appointment ______ I lost my necklace.
| A．where；that | B．when；that | C．where；when | D．that；where |
Very few his address in the town.
| A．knows | B．know | C．are knowing | D．has known |
Not only the workers but also the machine not there.
| A．are | B．were | C．is | D．has |
When and where this took place still unknown.
| A．are | B．were | C．is | D．has |
I know that all getting on well with her.
| A．was | B．is | C．are | D．were |
The rest of the novel very interesting.
| A．were | B．are | C．is | D．seem |