4) By the time you get home I the house from top to bottom. (a) will be cleaning (b) will clean (c) will have cleaned (d) would have cleaned 5) Non-smokers’ risk of heart attacks roughly half of people who smoke. (a) are; that (b) are; those (c) is; that (d) is; those

6) The pass rate was 70% in 2021 compared 62% in 2019. (a) over; by (b) over; to (c) little over; to (d) at; with

please answer these questions correctly ​