On April 24th, 2011, Hu Jintao, ________ chairman of the P．R.C., and other state leaders attended Tsinghua centennial (百年的) celebration at ________ Great Hall of the People in Beijing.

A./；/ B./；the

C．the; the D.the; /

She studied ________ medicine before she became ________ writer

A.the; the B．the; a

C．不填； a D．不填； the

Early in ________morning word came that Mr. Black had been elected ________president of the company.

A. a；不填 B. the；不填

C. a; the D. 不填；the

Japan has been trying to bring its nuclear crisis under ________ control, but ________ spread of radiation has raised concerns about the safety of the nuclear energy.

A. a; the B. the; /

C. /; the D. a; /

Most scientists seem to agree that ________ certain limit should be set on________ consumption(消費) of cars to ease air pollution.

A.a; the B．/; the

C．the; / D．the; the

—How about ________ party?

—Cool! It was really ________ great fun! Pity you weren’t there.

A．a; a B．the; a

C．the; / D．a; /

Opening the door, Mrs. Summers found ________ family of ________ cats shut in the bathroom.

A．a；不填 B．a; the

C．the; 不填 D．the; the

Have you got these jeans in ________ larger size? This pair is a bit too small around ________ waist.

A．a; the B．/; the

C．the; / D．a; a

—Would you mind giving your advice on how to improve our business management?

—If you make ________ most of the modern equipment, there will be ________ rise in production.

A．不填；不填 B．the; a

C．不填；a D．the；不填

—Who would have expected that a story about an 11?year?old boy wizard would turn into ________ multi?billion dollar business?

—That's ________ magic of the Harry Potter series.

A．/; the B．a; the

C．a; / D．the; /