A1. of student accountants women. 1) 20 are 2) 20 is 3) 20 are 4) 20 is a2. the flat you are renting belongs-to my parents. 1) sister's-in-law 2) sister-in-law 3) sister-in-laws' 4) sister-in-law's a3. they sold their house profit. 1) a 2) an 3) the 4) - a4. ferguson has travelled everywhere from ..: central asia to arctic. 1) -, - 2) the, the 3) -, the 4) the, - a5. cases of tuberculosis are on increase. 1) -, - 2) the, - 3) the, an 4) -, the