They were surprised that a child should work out the problem____ they themselves could not.
| A．once | B．unless | C．while | D．if |
Lucy found one of her friends had been ____ after she finished the invitations to her wedding party.
| A．taken out | B．put out |
| C．picked out | D．left out |
The government should protect the old valuable buildings ____ they are not in harmony with the modern ones nearby．
| A．even though | B．as if |
| C．even so | D．now that |
an important role in a new movie, Andy has a chance to become famous.
| A．Offer | B．Offering |
| C．Offered | D．To offer |
You don`t have to dress up ．The party is pretty ___ ．We only need to bring a bottle of wine．
| A．adventurous | B．casual |
| C．comfortable | D．beneficial |
We have just heard a warning on the radio _____________ a typhoon may be on its way．
| A．what | B．when | C．which | D．that |