4.It ___Last night. But I am not sure.
A: A. may rain
B: B. might rained
C: C. must rain
D: D. may have rained
A: A. may rain
B: B. might rained
C: C. must rain
D: D. may have rained
举一反三
- It() last night. But I am not sure. A: may rain B: might rained C: must rain D: may have rained
- The streets are wet, it ______ last night. A: rain B: must rain C: has rained D: must have rained
- Since the ground is wet, it ______ last night. A: must rain B: must have rained C: had rained D: rained
- The ground is wet, it ( ) last night. A: must rain B: must have rained C: is raining D: could have rained
- Since the ground is wet, it ______ last night. A: [A]must have rained B: had rained C: must rain