[ Present Tenses ]
George (work) at the university so far.
A. have worked
B. worked
C. has worked
D. works

Random Topics:
Gerunds & Infinitives + VocabularyGrammar for TOEFLPrepositions and AdverbsParticipal PhrasesAuxiliary ModalSentence Structure and Verb TensesFuture Simple TensePresent Perfect or Past SimpleModal Auxiliaries and Similar ExpressionsPresent Perfect Simple vs ContinuousOther quiz:
Grammar › ViewIdentify the preposition in the sentence: “The book is on the table.”
A. The
B. Is
C. On
D. Table
Modals › View
They …….. eat too much cake or they’ll get fat!
A. must
B. don’t have to
C. doesn’t have to
D. mustn’t