问题补充:
To meet the need of the London Olympic Gamesin , many new stadiums are reported to in Britain.
A. held;be constructed
B. to be held;have constructed
C. to be held;be being constructed
D. to be held;be constructing
答案:
A. held;be constructed
B. to be held;have constructed
(答案→)C. to be held;be being constructed
D. to be held;be constructing
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