[ Grammar ]
You ……… spend too much time playing computer games. It’s bad for your eyes.
A. should
B. shouldn’t
C. must
D. can

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Gerunds & Infinitives + VocabularyComparison Degree & GerundsCompound AdjectivesContractions and ConjunctionsWish SentencesIndependent and Dependent ClausesGrammar & TensesTenses & PassiveGrammar - Sentence StructureAdverb Clause ConnectorOther quiz:
Perfect Tenses › ViewTurn into passive
Some students study grammar on the Internet.
A. On the Internet is studied grammar by some students
B. students was studied grammar on the Internet
C. grammar is studied on the Internet by some students
Grammar › View
Lots of ads _____ that their products produce great results.
A. focus
B. claim
C. mark
D. hire
I know someone whose father served in World War II.
A. Adjective Clause
B. Adverb Clause
Simple Tenses › View
Is the report ___ by the assistant every morning?
A. write
B. wrote
C. written
D. writing