After they had packed their rucksacks, they rode away on their bikes.
Laura repaired her glasses because her brother broke them.
He noticed that Steve has painted the old chair.
During the festival tulip arrangements look like "tulip seas" and ARE ADMIRED by visitors.
6
2 played ('a' is a vowel before 'y' so the 'y' doesn't change)
3 planned ('a' is a short vowel, so we write double 'n')
4 travelled ('l' at the end of verbs is always doubled)
5 opened (no need to double 'n' because the first syllable is stressed)
6 happened (the ending is -ed)
7 studied ('d' is a consonant before 'y', so the 'y' changes into 'i')
7
2 bought
3 chose
4 fell off
5 wore
6 wrote