问题: Choose the correct tense
1.My dad ___ his plants when I arrived home.
A.was water
B.was watering
C.was waterring
D.was being watering
2.When he ___ the dog along the coast, it rained.
A.was walk
B.was walkking
C.was walking
D.was being walk
解答:
1.My dad __B__ his plants when I arrived home.
A.was water
B.was watering
C.was waterring
D.was being watering
2.When he __C__ the dog along the coast, it rained.
A.was walk
B.was walkking
C.was walking
D.was being walk
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