[ Vocabulary & Grammar ]
Parents usually ___ that teenagers spend too much time surfing the Internet.
A. thinking
B. to think
C. think
D. thinks
E. thought

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Grammar Error Correction (Simple Present Tense) › ViewThe students at the library
A. TRUE
B. FALSE
Grammar › View
Will you continue arguing with me until I ………………….. my mind
A. changes
B. change
C. changing
D. changed
