Question

They …………only in small amounts.

Выберите один ответ:
a. were required
b. was required
c. has been required
d. is required

Answer 1

They ………… only in small amounts.

Выберите один ответ:

a. were required

b. was required

c. has been required

d. is required

They were only required in small amounts.

Они требовались лишь в небольших количествах.