The ground is wet, _________ it rained last night.
举一反三
- Since the ground is wet, it ______ last night. A: [A]must have rained B: had rained C: must rain
- Since the ground is wet, it ______ last night. A: must rain B: must have rained C: had rained D: rained
- It must have rained last night, ______ the ground is wet this morning. A: because B: but C: for D: or
- The ground is wet, it ( ) last night. A: must rain B: must have rained C: is raining D: could have rained
- 28. It rained last night, ( ) the ground is wet this morning. A: when B: where C: for D: because