Раскройте скобки 15) Yesterday my mum (bake) biscuits.
16) They (write) a test next month.
17) Tomorrow we (write) a test.
18) I just (come) home.
19) He ( go) to the USA last autumn.
20) They (go) to Russia in a week.
21) She (drink) coffee every morning. 22) I never (eat) meat.
23) We seldom (write) letters.