SORU:
Soruda verilen cümleyi uygunvşekilde tamamlayan ifadeyi bulunuz.
In biology, isolating particular enzymes is a tedious process of trial and error ----.
B) if several hundred steps were involved
C) which involves many different experiments
D) until other problems could be eliminated
E) as lab experiments may prove unnecessary
Çözüm:
A) though silicon is not the best choice of materialB) if several hundred steps were involved
C) which involves many different experiments
D) until other problems could be eliminated
E) as lab experiments may prove unnecessary
