单选题
______ in space, the satellite sent us a great deal of information.
A. Traveling
B. Have traveling
C. Traveled
D. Being traveled
A
B
C
D
【正确答案】
A
【答案解析】
[解析] Traveling in space=The satellite was traveling in space,现在分词短语在句中作状语。全句意思:卫星在太空飞行时给我们发回了大量的信息。
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