— They are quiet, aren’t they?
— Yes. They are accustomed ______ at meals.
| A．to talk | B．to not talk | C．to talking | D．to not talking |
From his ________ voice on the phone I know everything is going under way.
| A．satisfactory | B．satisfying |
| C．satisfied | D．satisfaction |
________ he is ,he seldom shows his precious coins to others.
| A．Coin -collector as | B．As a coin -collector |
| C．A coin- collector as | D．Coin- collector that |
—Did you remember to give Jenny the money?
—Yes. ________ I saw her, I'm sure.
| A．So long as | B．So far as |
| C．The moment | D．Any time |
Although punctual himself, the professor was quite used ________ late for his lecture.
| A．to have students | B．for students’ being |
| C．for students to be | D．to students’ being |
Apples are usually sold by ________ weight and eggs are sometimes sold by ________ dozen.
| A．the; the | B．/;a |
| C．/; the | D．the; a |