Английский язык 10 класс​

Задание 1: Researchers (1) ...(just / carry out) a study to discover what makes us happy. We (2) (speak) to a wide range of people last week,' said a research spokesperson. 'Even though we (3) ...(yet / not collate) all the results, we (4) ...(already/ make) some important findings.' Perhaps researchers (5) ...(find) the key to happiness after all.
Задание 2:
1)James / not / do / his homework / yet.
2) How long you/know/your best friend / for?
3)Lara / just / sell / her stamp collection.
4) We / not / speak / to Elisa / since / February.
5) I/ already / hear / that joke.
6) Why / you / not / clean / your room / yet?