【题目】—What's _______most useful invention in the 20th century?
—________computer, I think.
A.the; A
B.a; A
C.the; The
D./; The

【题目】—Why are you in such a hurry, Mike? —There_______ an NBA basketball game in ten minutes.
A.will be
B.will have
C.is going to have
D.are going to be

A.has B.have C.is D.are

【题目】—Could I swim here, Mr. Yang?
—No, _____ . It's dangerous to swim here.
A.you couldn't
B.I'm afraid you can't
C.that's all right
D.no problem

【题目】We read 10, 206 like this______
A.one thousand, two hundred and six
B.one thousand two hundred and six
C.ten thousand, two hundred and six
D.ten thousand , two hundred , six

A. had better not to make B. had not better to make

C. had better not make D. had not better make

【题目】There _______a football game this afternoon.
A.will have
B.is going to be
C.to be
D.Has

【题目】You look so tired. Why not __________?
A.stop to work
B.to stop to work
C.stop working
D.to stop working

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

【题目】Many kinds of plants and animals are extinct (灭绝). The same thing ________ around the world.
A.happen
B.happened
C.is happening
D.happens