Eggs are sold by ________ dozen while the meat is charged by ________ weight.
| A．the；the |
| B．the；/ |
| C．/；the |
| D．/；/ |
Speaking of what sort of smartness is most desirable in human __________，a friend of mine told me a story.
| A．conduct | B．experience | C．custom | D．habit |
We should __________ primary importance to job training.
| A．concentrate | B．devote | C．attach | D．emphasize |
The young man rushed out of the room, _______ into his car and started it hurriedly， _______to get home as soon as possible.
| A．got; hoping | B．getting; and hoped |
| C．got; hoped | D．getting; hoped |
Can you imagine the difficulty I had __________ the game?
| A．on winning | B．won | C．winning | D．having won |
— I must apologize for ________ ahead of time.
— That's all right.
| A．letting you not know | B．not letting you know. |
| C．letting you know not | D．letting not you know |