[ PRESENT TENSE ]
The principal ( observe, observes ) classes in English.
A. observe
B. observes
Select your answer:

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Verb Form › ViewWhy not __________________ a weekend in Scotland? (spend)
A. to spend
B. spending
C. spend
D. having spent
Grammar › View
While he ______ (sleep), they ______ (rob) his house.
A. slept / were robbing
B. slept / robbed
C. was sleeping / were robbing
D. was sleeping / robbed
