[ Grammar ]
You shouldn’t spend too much time on computer __________ it is harmful to your eyes.
A. as
B. when
C. although

Random Topics:
Adjectives, Adverbs, and PrepositionsPassive Voice - Past SimpleConditionalsmust/shouldIdiomsHelpful Phrases Conjunctions and PrepositionsSubject and Verbs AgreementSimple Present Tense/be/Present ProgessiveGrammar and ReadingOther quiz:
Grammar › ViewYou ______________ copy your friend’s homework, it’s wrong.
A. shouldn’t
B. must
C. have to
D. don’t have to
Homophones › View
I would rather stay home ______ go out.
A. Then
B. Than