It is from May 1 to October 31, 2010 ________ the World Expo 2010 will be held, ________ is a great event for the Chinese people．

A．when; that

B．that; when

C．which; when

D．that; which

－Who gave you the message?

－A man ________ himself Mr．Wang．

A．calling

B．called

C．is called

D．calls

________ more energies to my study, I would be sitting in a comfortable office now．

A．If I devoted

B．Had I devoted

C．Would I devote

D．Should I devote

－Excuse me, I wonder if you can help me．I ________ my phone．

－But where did you lose it?

A．have lost

B．lost

C．had lost

D．lose

－What do you think of the concert?

－I really enjoy it．I didn’t expect it was ________ wonderful．

A．as

B．more

C．most

D．very

A growing anxiety is disturbing the public ________ the economy will continuously decline．

A．which

B．that

C．why

D．what

The number 9·11 is a special number, ________, I think, that will be remembered by the Americans forever．

A．what

B．it

C．which

D．one

As time went by, the plan I stuck ________ fairly practical．

A．to proved

B．to proving

C．proved

D．to be proved

－The weather is too cold ________ November this year．

－It was even ________ when I came here years ago．

A．for; colder

B．in; cold

C．in; hot

D．for; hotter

－Why was our foreign teacher unhappy yesterday?

－News about the tsunami striking her country ________ an attack of homesickness．

A．set up

B．set out

C．set about

D．set off