

1. What time (he/be) ___ here? - He (be) ___ here in half an hour.
2. The sea (cover) ___ most of the surface of the Earth.
3. I (be) ___ ready in 5 minutes.
4. I want to speak to Professor Wilson when he (be) ___ free.
5. He (come) ___ before you leave.
6. (he/help) ___ us when he is free?
2. The sea (cover) ___ most of the surface of the Earth.
3. I (be) ___ ready in 5 minutes.
4. I want to speak to Professor Wilson when he (be) ___ free.
5. He (come) ___ before you leave.
6. (he/help) ___ us when he is free?