题目内容
The witness(目击者)said that the UFO ________ east to west when he saw it.
[ ]
A.
travelled
B.
had been traveling
C.
was traveling
D.
was to travel
答案:C
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题目内容
The witness(目击者)said that the UFO ________ east to west when he saw it.
travelled
had been traveling
was traveling
was to travel