[ Past and Present Continuous tense ]
He ______ a diorama for the science fair with to-scale models of the planets, moons, and asteroids.
A. Designs
B. Had designed
C. Is designing
D. Was designing

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Modals, Infinitives and Gerunds › ViewShe _________ speak perfect English after living in London for 10 years
A. could
B. has to
C. is able to
D. have to
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Which word is the adverb? “She tiptoed quietly to avoid waking anyone.”
A. Tiptoed
B. Quietly
C. Avoid
D. Waking
Grammar › ViewThe cat scratches _____ with its paw.
A. itself
B. himself
C. herself
D. yourself
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What does “look up” mean in a dictionary context?
A. ignore
B. search
C. refuse