How long will the communications last? Communications will continue until ______ has been completed.
举一反三
- How long ____ the concert ____ ? A: was; lasted B: did; last C: will; be lasted D: has; been lasting
- How long has this been going on?
- —How long has Eliza been a nurse?—______
- How long has this been going on? _____1_____.
- How long has the magazine been on sale How long has the magazine been on sale A: for one year B: for eighteen months C: for two years