[ Auxiliary Verbs ]
Look! The dog ___ chasing after the cat.
A. is
B. has
C. does
D. am
Select your answer:
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Grammar › ViewYesterday, Jane’s mum ……… us to the zoo.
A. drive
B. is driving
C. drives
D. drove
Present Continuous Tense › View
Several old people . . . around the park (+)
A. am walking
B. is walking
C. are walking