Scientists believe native Americans arrived by crossing the land bridge that connected Siberia(西伯利亚)and more than 10,000 years ago.
A.this is Alaska | B.Alaska is now | C.is now Alaska | D.what is now Alaska |
After ____ series of unsuccessful attempts, he has finally passed ______ driving test.
A./ ; the | B.a ; the | C.the ; a | D./ ; a |
You are no longer a child. It’s time for you to _______ differences with your parents.
A.upset | B.pack | C.settle | D.solve |
One evening when it was so warm, I stayed awake _________ until half past eleven in order to have a good look at the moon by myself.
A.on average | B.on purpose | C.on sale | D.on schedule |
The mother didn't know who ________ for the broken glass as it happened.
A.to blame | B.to be blamed | C.blamed | D.is to be blamed |
The whole nation watched the two candidates________the issue of raising taxes on TV.
A.argue | B.quarrel | C.discuss | D.debate |