_____ computers are convenient to us in daily life, it may also cause other problems.
| A．Whether | B．Because | C．As | D．While |
On weekends when Jane comes back home from school, she eats everything in _____.
| A．scene | B．sight | C．view | D．range |
. ---Can I smoke here?
---No. On no condition _____ in the museum.
| A．is smoking permitted | B．smoking is permitted |
| C．was smoking permitted | D． smoking was permitted |
All his attention _____ on the computer game, he even didn’t notice his mother enter the room.
| A．has been fixed | B．was fixing | C．was fixed | D．fixed |
.The two boys are alike in age, but _____ they are as different as day and night.
| A．anyhow | B．besides | C．otherwise | D．moreover |
Under the circumstances I usually think of the great effort and courage it _____ for the girl to come back and apologize.
| A．made | B．afforded | C．spared | D．took |