Question

晨

求解第15題 我原本選C

(C) As
(A) When
(B) Once
) 15. Since communication technology is developing
new equipment is sure to appear in the near future.
(A) with
(B) at
(C) in
(D)
Upon
such a rapid pace, more and more
(D) for

Answer 1

velvety

因為後面是a rapid pace
意思是以一個快速的步伐，所以是at