127. It has been said that UFO sightings are increasing. `
A. People say that UFO sightings are increasing.
B. People have said that UFO sightings are increasing.
C. That UFO sightings are increasing is true.
D. UFO has been said to be inreasing.
Bạn đang xem 127. - BAI TAP TRAC NGHIEM TIENG ANH 12 TU BAI DE BAI 7 0476
