[ Subject-Verb Agreement ]
Mumps usually … through saliva.
- spread
- spreads
Select your answer:
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Quantifiers › ViewThere were quite …. interesting things to do
A. a number of
B. many
C. a few
D. little
Present Perfect Simple vs Continuous › View
They __________ (visit) their grandparents every month.
A. have visited
B. have been visiting