(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
