Polar bears live on sea ice，which they use as a platform for hunting seals
| A．most | B．almost | C．nearly | D．mostly |
Bitten twice, the postman refused to ______ our letters unless we changed our dog.
| A．deserve | B．deliver | C．expand | D．direct |
______ to go abroad alone is what worries me most.
| A．The boy not allowing |
| B．The boy not being allowed |
| C．The boy’s being not allowed |
| D．The boy’s not being allowed |
When I said someone was stupid, I didn’t ______ you.
| A．stick to | B．refer to |
| C．lead to | D．devote to |
Those who are not ______ with the progress they have made will have greater success.
| A．proud | B．willing | C．popular | D．content |
Peter was so excited ______ he received an invitation from his friend to visit Chongqing.
| A．that | B．where | C．why | D．when |