—What do you think of Sam, the newcomer?
—Well, he talks as if he ________ everything.
| A．had known | B．has known | C．knew | D．will know |
Jim went to answer the phone. _________ , Harry started to prepare lunch.
| A．However | B．Nevertheless | C．Besides | D．Meanwhile |
—I prefer shutting myself in and listening to music all day on Sundays.
— That’s _________ I don’t agree. You should have a more active life.
| A．where | B．how | C．when | D．what |
What _________ will it make whether Mr. Black tells us the story early or not?
| A．sense | B．difference | C．mistake | D．use |
With his attention _________ on his book, he didn’t notice someone entering his room.
| A．concentrating | B．concentrated | C．to concentrate | D．concentrates |
They have earned lots of money, so I______ believe that the business is a success.
| A．mildly | B．firmly | C．actively | D．tightly |