[ Grammar ]
They let us ______ the new features of the app before it was officially released.
A. test
B. to test
C. testing
D. tested
Select your answer:
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Tenses › ViewI ________ the piano for 30 minutes now.
A. have been practicing
B. had practiced
C. practiced
D. have practiced
Grammar › View
Anini … song every night.
A. Sings
B. Sing
C. Is
D. Does