The plastic flowers look so ______ that many people think they are real.
| A．natural | B．familiar | C．beautiful | D．similar |
He decided not to say anything at the meeting unless_________.
| A．asking to | B．to ask to | C．asked to | D．ask to |
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 |