(2011·浙江)Experts think that ________ recently discovered painting may be ________ Picasso.

A． the；/  B．a；the  C．a；/  D．the；a

On ________ Friday when Tom was having an art lesson，as he had no color pencils with him，he drew ________ blue sun with his pen.

A．/；the  B．/；a  C．the；the  D．a；a

—Who called me this morning?

—________ Mr.Li.He asked you to visit Shenzhen and said that ________ Shenzhen today is different from what you saw thirty years ago.

A．/；/  B．A；/  C．/；the  D．A；the

What ________ surprise to see you here!

A．the  B．/  C．a  D．an

________ walk is expected to last all day，so bring ________ packed lunch.

A．A；a  B．The；/  C．The；a  D．A；/

—I find it very difficult to read ________ novel you lent me last week.

—Yes.It's necessary to have ________ good knowledge of history.

A．the；/  B．a；/  C．the；a  D．a；a

—What do you think of the manager of your company?

—Oh，he is ________ manager who's pleasant to work with.It's ________ pleasure to work with him.

A．the；a  B．a；a  C．a；the  D．/；a

(2012·江苏)—Can I help you with it?

—I appreciate your ________，but I can manage it myself.

A．advice  B．question  C．offer  D．idea

(2012·江西)You'd better write down the phone number of that restaurant for future ________.

A．purpose  B．reference  C．progress  D．memory

Teachers have to constantly update their knowledge in order to maintain their professional ________.

(2011·江苏，27)

A．consequence  B．independence

C．competence  D．intelligence