The flight was delayed for several hours because it _____ heavily last night.
A: would snow
B: has snowed
C: snowed
D: has been snowing
A: would snow
B: has snowed
C: snowed
D: has been snowing
举一反三
- There is too much snow these days. It ______ for a few days. A: was snowing B: has been snowing C: had been snowing D: snowed
- — There is so much snow these days, isn't there?— Yes, it ____ for a few days. A: was snowing B: has been snowing C: had been snowing D: snowed
- I don’t know if it or not tomorrow. A: will snow B: snows C: has snowed D: is snowing E: was snowing F: will have snowed
- Since the ground is white, it ____ last night. A: had snowed B: must have snowed C: must be snowing D: must have been snowing
- Since the airport is closed this morning, it must ______ last night. A: snow B: have snowed C: have been snowed D: have being snowed