Open the brackets to complete the sentences: i never (be) to london. yesterday we (go) to the waterpark. you (finish) your homework yet? in 1996 our class (visit) the national exhibition in moscow. they already (do) all their homework. last monday our family (celebrate) mum’s anniversary. – will you have dinner with us? – no, thanks. i just (have) dinner. – where is john? – he (leave) two minutes ago.