_____ you may have, you should gather your courage to face the challenge.
| A．However serious a problem. | B．What a serious problem. |
| C．However a serious problem. | D．What serious a problem. |
I am fond of music while my sister likes reading novels. It seems that we have nothing ______.
| A．in trouble | B．in common | C．in place | D．in need |
is no doubt that the Great Wall is one of the wonders of the world.
| A．There | B．It | C．This | D．That |
— Whose Chinese vase is it?
— I have no idea, but I’m pretty sure it _______ the old lady.
| A．doesn’t belong to | B．belongs to |
| C．isn’t belonging to | D．belonged to |
Mike ________ his car, for he came to work by bus this morning
| A．can have found | B．could have found |
| C．can’t have found | D．mustn’t have found |
______ is known to all，the Amber Room belongs to the Russians.
| A．As | B．Which | C．It | D．What |