[ Present Tenses ]
I have read this chapter in my chemistry text three times, and still I ______ it.
A. don’t understand
B. have understood
C. understand
D. haven’t understood

Random Topics:
Verb Tenses and Past ParticiplesSo - Too - Either - NeitherPassive Modals, Impersonal PassivePhrase vs ClauseWH Questions and Simple Past TenseConjunctions - Conjunctive AdverbsComparatives, Superlatives & EquativesBe Going To vs. Willwill, be going to, would like toDescribing WordsOther quiz:
Vocabulary › ViewWho is a ‘teammate’?
A. A case with a handle, used for carrying clothes or personal items.
B. Walking quietly on the tip of your toes.
C. A person on your same team.
D. A clear memory of past events.
Adjectives and Pronouns › View
We took great care of ourselves when we went camping yesterday. Identify the underlined Pronoun
A. Emphatic Pronoun
B. Relative Pronoun
C. Reflexive Pronoun
Vocabulary › ViewWhat is the opposite of ‘contrary’?
A. true
B. endless
C. dull
D. main
Vocabulary › View
Which word means “to make something less severe”?
A. Intensify
B. Mitigate
C. Exacerbate
D. Aggravate
