1.D 2.B 3.A 4.B 5.A 6.A 7.C 8.D 9.C
Answer:
1: Traffic was moving at a snail's pace.
Explanation:
An Idiom is like a phrase:
It's raining cats and dogs out there.
"Raining cats and dogs" is the idiom, as with this answer, it's, "moving at a snail's pace"