The sum of all the angles of a _________ is 180 degrees.
A. triangle
B. sexangle
C. enneagon
D. pantagon
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I ____________ in Hawaii for ten years.
A. has been living
B. have been lived
C. has be lived
D. have been living
Since that unfortunate accident last week, I _______________ at all well.
A. haven’t been sleeping
B. have been sleeping
C. haven’tsleeping
D. have sleeping
___________ spokesman Williams says those talks are coming along quite well.
A. The corners of the Building
B. Pentagon
C. The Hexagonal Building
D. Koeln Triangle
爱国主义精神的落脚点和归宿是（ ）
A. 爱国情感
B. 爱国思想
C. 爱国行为
D. 爱国精神
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