问题
____________and evaluated the information, I help other scientists to predict where lava from the volcano will flow next and how fast.
A:Collected
B:To collect
C:Having collected
D:Collecting
B:To collect
C:Having collected
D:Collecting
正确答案是：
同类题型
Walk along this road you reach the end. You’ll find the book shop on the right.
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You should ________ some plans to improve your spoken English.—OK, I will try.
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