From Amber's story,we can tell that the influence colors have____ our lives is
beyond imagination.
(A)in(B)for(C)on(D)of
The color red is often used to ____ people.
(A)warns(B)warned(C)warning(D)warn
-
第一题是C 请问为什么不是A
第二题是D 请问为什么不是C
我记得老师有说过
use to+原V
be use to+V ing
请问这里该如何解释呢

1 influence的介词用on 2. be used to + Ving是习惯于…这里的is used to是被用来 后面加原形动词

used to& be used to +ving 各有不同的意思不要死背

了解了 感谢