---It’s 12 April today. Have they found any useful information about the plane's black box?
---Flight MH370? Yes, but it’s difficult to decide where the black box really is.
| A．still | B．ever |
| C．yet | D．never |
---It’s 12 April today. Have they found any useful information about the plane's black box?
---Flight MH370? Yes, but it’s difficult to decide where the black box really is.
| A．still | B．ever |
| C．yet | D．never |
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