—Did you return Fred's call?
—I didn't need to ________ I'll see him tomorrow.
| A．though | B．unless | C．when | D．because |
There he pointed to _____ looked like a stone and said that’s ______ you had to carry home.
| A．that, that | B．what, what |
| C．which, what | D．as, which |
Both teams were in hard training; _____ was willing to lose the game.
| A．either | B．neither |
| C．another | D．the other |
Tom’s mother always told him not to smoke again, but _____ didn’t help.
| A．he | B．it |
| C．which | D．as |
.Was it through Mary , ____ was working at a high school , _____ you get to know Tom ?
| A．who, who | B．that, which | C．who, that | D．who, which |
“Where is Mother.” “She is in the kitchen. She _______ the housework all morning.”
| A．is doing | B．was doing |
| C．has done | D．has been doing |