Question

4.Choose the correct form of the verb.
1. If the weather (is /will be) nice tomorrow, we can go to the beach.
2. It will be difficult to find a hotel if (we arrive/we'll arrive) late.
3. The alarm will ring if there (is/will be) a fire.
4. (I,m/ I, ll be) surprised if (the get/ they,ll get )married

Answer 1

1) will be
2)we'll arrive
3)is 
4)they'll get