__________ the zoologists tried to prove was that the photo of the South Chha Tiger had been staged or technologically dealt with.
| A．That | B．Why | C．Whether | D．What |
相关试题
I said hello to you in the street yesterday, but you ________ me completely.
—I'm sorry. Maybe I didn't notice you.
| A．cheated | B．hid |
| C．ignored | D．recognized |
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