With so many difficult problems ______, the newly-elected president, Obama, is to have a hard time。
| A．settled | B．settling | C．to settle | D．being settled |
______ he realized it was too late to return home.
| A．Not until dark | B．It was until dark that | C．It was not until dark that | D．It was dark that |
Several of the off-shore islands are ______ , now that we have a motor boat.
| A．available | B．accessible | C．convenient | D．achievable |
It’s already 10 o’clock, I wonder how it ____ that she was two hours late on such a short trip.
| A．came over | B．came out | C．came about | D．came up |
Early _____ the morning of May 1, we started off _____ the mountain village.
| A．in; for | B．in; to | C．on; / | D．on; for |
One of the greatest benefits of Internet friendships is that they are based on common interests, ________ appearance, age or popularity.
| A．more than | B．rather than | C．or rather | D．more or less |