---- What do you think of ______opening ceremony of the 2010Shanghai.World Expo?
---- Oh, it is______perfect one.
| A．the, the | B．an, a | C．the, a | D．an, the |
.Most of them have no doubt _______ he will pass the driving license.
| A．whether | B．if | C．that | D．how |
. It is believed that this book is ______worth reading than that one.
| A．more | B．better | C．quite | D．most |
Two middle-aged passengers fell into the sea. _______, neither of them could swim.
| A．Actually | B．Unfortunately | C．Naturally | D．Luckily |
It was last night _______ I read about the history of English.
| A．that | B．which | C．what | D．when |
They found the remains of buildings _______ under the sand, together with a lot of treasures.
| A．being buried | B．buried | C．to be buried | D．burying |