Question

Even oxygen (i) -------- (has ,have, had) certain toxic forms called oxides (ii) ----------(what, who, which) spark off lethal reactions that have been linked to sixty odd chronic diseases, one of which (iii) ---------(is, am ,are) ageing. Antioxidants (iv) ------(minimizing minimizes, minimize),the effects of the oxidants. Plant foods, thankfully (v) ---------- (is, am ,are) packed with antioxidant agents. Scientists are now (vi) -------(researched, research, researching) into an antioxidant “Status report” based on individual blood tests; if the antioxidants are (vii)-----------(find, finding, found ) low, specific food should be(viii) ------------ ( prescribed,prescriber,prescription) to boost the levels.
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Answer 1

Answer:

(1) have

(2) which

(3) is

(4) minimizes

(5) are

(6) researching

(7) found

(8) prescribed

Answer 2

Answer:

¡) has .

¡¡) which .

¡¡¡) is.

iv) minimizes .

V)are.

ví) researching .

vii) found .

viii) prescribed.