Organic food is produced from crops ____
题型:选择题
问题:
Organic food is produced from crops _____ chemicals, pests and so on. In one word, it is free from
pollution of any kind. [ ]
A. that is free from
B. free of
C. free with
D. which are free of
Organic food is produced from crops _____ chemicals, pests and so on. In one word, it is free from
pollution of any kind. [ ]
A. that is free from
B. free of
C. free with
D. which are free of