The ground is wet. It ______have rained last night.
A: must
B: B. can
C: should
A: must
B: B. can
C: should
举一反三
- The ground is wet. It ______have rained last night. A: [A] must B: can C: should
- It ______ have rained last night, for the ground is wet. A: will B: can C: should D: must
- It must have rained last night,________the ground is wet.
- Since the ground is wet, it ______ last night. A: [A]must have rained B: had rained C: must rain
- The ground is wet, it ( ) last night. A: must rain B: must have rained C: is raining D: could have rained