It _______ rained last night, for the road is wet and slippery.
A: must
B: /
C: must have
D: could have
A: must
B: /
C: must have
D: could have
举一反三
- Had it rained last night, the road _____ wet now. A: would be B: must be C: would have been D: must have been
- The ground is wet, it ( ) last night. A: must rain B: must have rained C: is raining D: could have rained
- It must have rained last night, ______ the ground is wet this morning. A: because B: but C: for D: or
- It must have rained last night, ___ it is wet all over A: so B: for C: but D: and
- 中国大学MOOC: It _______ rained last night, for the road is wet and slippery.