is very clear to everyone that he's round and tall like a tree.

A.This　　　            B.What　　　        C.That　　　  D.It

In __________ review off 44 studies, American researchers found that men and women who ate six key foods daily cut the risk of __________ heart disease by 76%. _______

A. a; the             B. the; a              C. a; 不填       D. 不填; a

I can hardly imagine______sailing across the Atlantic Ocean in five days.

A．Peter’             B．Peter            C．Peters              D．Peters’

Mr. Smith, there’s a man at __ front door who says he has __ news for you of great importance.

 A. the, /             B. the, the                   C. /, /           D. /, the

For a long time they walked without saying __ word. Jim was the first to break __ silence.

 A. the, a             B, a, the                   C. a, /         D. the, /

—Jack Brown is very clever and he studies hard as well.

—No ________ he comes out first in the exams.

 A. answer          B. question              C. wonder     D. problem

____on-going division between English –speaking Canadians and French-speaking Canadians is _______major concern of the country.

A. The, /          B. The, a              C. An, the         D. An, /

The little boy often has____ big breakfast，so he looks really strong.

A．the            B．／          C．a             D  an

As is known to us all, the opening ceremony of the Shanghai World Expo, ____ theme is “Better City, Better Life”, will begin on May 1^st, 2010.

A. which               B. its                     C. that                   D. whose

________wants to be a volunteer in Shanghai 2010 Expo has to pass the interview first.

A. Who           B. The one       C. Whoever       D.No matter who