Choose the correct verb forms to complete the sentences.
1 They stay / are staying at the Savoy every year.
2 We stay / are staying in London till Wednesday.
3 The value of the euro always goes / is always going down when the dollar goes up.
4 The value of the yen goes / is going up because of the recent economic measures.
5 A Japanese electronics company develops / is developing a new type of glass for smartphones.
6 Most start-ups develop / are developing quickly, but reach a peak after two years.
7 I try/ am trying to book my flight, but there aren’t any seats available.
8 He always tries / is trying really hard, but he often comes last.
9 I sometimes wait / am sometimes waiting more than 30 minutes for my train to work.
10 I wait / am waiting for Harry. He should be finished soon.