[ 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:
Present Simple Tense › View………..milk do you want to make a cake?
A. How
B. How much
C. How many
Unless If First Conditional › View
I ______ watch a movie ______ I finish my homework.
A. won´t / if
B. will/ unles
C. won´t / unless
D. might / if
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
