[ Grammar ]
_______ illusions play with your eyes.
A. Opticals
B. Optic
C. Optical
D. Optics

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Past Tenses › ViewLinda _____ tie her shoes when she was only 3 years old
A. knew to
B. knew how to
C. could to
D. may
Grammar › View
I’ve been visiting all the places ___ in the guidebook.
A. that mentioned
B. mentioned
C. which they are mentioned
Grammar › ViewMy sister …………… a good student.
A. am
B. is
C. are
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The teacher_________ we all admire is retiring this year.
A. who
B. whom
C. that
D. whose
