[ Modal Verbs ]
Select the appropriate modal: “If you feel unwell, you ___ see a doctor.”
A. must
B. can
C. should
D. might

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Tenses & Affixes › ViewWhile he ___ (walk) to school, it started raining.
A. walks
B. was walking
C. is walking
Grammar › View
What is/are the common noun(s) in this sentence?
On Tuesday, Timmy brought in a book about famous explorers.
A. book
B. Timmy, explorers
C. Tuesday
D. book, explorers