(2013·浙江，11)Half of ________ surveyed in 16 countries say they go first to their closest friend to share their deepest wishes and darkest fears.
| A．these | B．some |
| C．ones | D．those |
Yesterday Jane walked away from the discussion. Otherwise，she ____ something she would regret later.
| A．had said | B．said | C．might say | D．might have said |
An awful accident_____，however，occur the other day.
| A．does | B．did | C．has to | D．had to |
Greenland， _____ island in the world，covers over two million square kilometers.
| A．it is the largest | B．that is the largest | C．is the largest | D．the largest |
_____， he often forgot to turn off the lights.
| A．Even better | B．Strange | C．However | D．Fortunately |
I
t was not until she had arrived home_______ her appointment with the doctor
| A．did she remember | B．that she remembered |
| C．when she remembered | D．had she remembered |