The theory was too __________ for most students.
A. abstruse
B. psychological
C. conventional

Random Topics:
TOEFL GrammarPronoun & Present SimpleFuture Tense (will/be going to/p.continuous)Grammar and VocabularyPronouns, Verb, ConjunctionPresent Progressive (Future)Gerunds & Infinitives + VocabularyGrammar and EssayCoordinating Conjunctions and Comparative Adjectives-ed/-ing AdjectivesOther quiz:
Conjunction › ViewI was very tired, ________ I try to walk on to the next village.
A. or
B. however
C. and
D. therefore
Vocabulary and Grammar › View
. What does the word “balance” mean?
A. To keep something steady and even
B. To fall down suddenly
C. To run very fast
D. To change direction
Modal Verbs › ViewIt wasn’t her who you saw in her office last Friday because she she’s been out of town for two weeks.
A. You needn’t have seen her in her office last Friday because she’s been out of town for two weeks.
B. You shouldn’t have seen her in her office last Friday; she’s been out of town for two weeks.
C. You can’t have seen her in her office last Friday; she’s been out of town for two weeks.
D. You mightn’t have seen her in her office last Friday; she’s been out of town for two weeks.
Grammar › View
Sorry, I can´t talk now. I ……………… (brush) my teeth.
A. brush
B. brushes
C. am brushing
D. brushed
