Do you know _________ Wuhan or not tomorrow?
| A.whether they are leaving for |
| B.whether are they leaving for |
| C.if they are leaving for |
| D.if are they leaving for |
Do you know _________ Wuhan or not tomorrow?
| A.whether they are leaving for |
| B.whether are they leaving for |
| C.if they are leaving for |
| D.if are they leaving for |
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