Choose the correct word combinations to complete the declarative sentences.

Choose the correct option.

They really wanted to win the competition, but [were their skills|their skills were] too poor.

[We will|Will we] visit you next summer if you leave us your address.

I don't want to panic, but [it seems |does seem it] to become a real catastrophe.

[All my friends have|All have my friends] already been to a music concert, but I don't like crowds and noise.