1.the UFO stayed in the sky for about thirty seconds,and then it went away
A.disappeared B.appeared C.flew D.traveled
2.Scientists have been trying to find of aliens
A.amounts B.records C.traces D.sights
3.The UFO lauded on a............. area
A.grass B.grassy C.grassed D.grassing
4.there's no.............that life exists on other planets
A.experience B.condition C.creature D.evidence
1.the UFO stayed in the sky for about thirty seconds,and then it went away
A.disappeared B.appeared C.flew D.traveled
2.Scientists have been trying to find of aliens
A.amounts B.records C.traces D.sights
3.The UFO lauded on a............. area
A.grass B.grassy C.grassed D.grassing
4.there's no.............that life exists on other planets
A.experience B.condition C.creature D.evidence