Topics: Perfect Tenses
Lewis: I __________ you an invitation email two days ago.
Danny: Really? I __________ my email.
A. didn’t send / checked
B. sent / didn’t checked
C. sent / didn’t check
D. didn’t send / checked
Select your answer:

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Grammar › ViewShe enjoys ________ in the lake.
A. swim
B. to swim
C. swimming
Vocabulary › View
The distribution of resources
A. Capitalism
B. Allocation
C. Free enterprise
