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1. Once environmental damage
(do), it takes many years for the system to recover.
【考点】
动词的语态; 一般现在时; 语法填空;
【答案】
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语法填空（单句）
容易
课时演练
换一批
1. The airport ________ next year will help promote tourism in this area.
A.
being completed
B.
to be completed
C.
completed
D.
having been completed
单选题
困难
2. I
(give) ten minutes to decide whether I should reject the offer just now.
语法填空（单句）
容易
3. To my delight, I
from hundreds of applicants to attend the opening ceremony.
A.
was chosen
B.
was being chosen
C.
would choose
D.
had chosen
单选题
普通