An operation is usually performed by a ______.
| A．doctor | B．dentist | C．surgeon | D．scientist |
She is pleased with ___ you have given him and all ____ you have told him.
| A．that ; that | B．what ; that | C．what ; what | D．which ; that |
—It is cloudy outside. Please take an umbrella.
—__________
| A．Yes, take it easy. | B．Well, it just depends. |
| C．Ok, just in case. | D．All right, you are welcome. |
Danby left word with my secretary ________he would call again in the afternoon .
| A．who | B．that | C．as | D．which |
I’m just wondering ___ I first met Tom.
| A．where it was that | B．that was it where | C．where was it that | D．that it was where |
I found her ______ in thought.
| A．losing | B．lost | C．lose | D．being lost |