[ Tenses ]
I ___ on the presentation when my boss called me.
A. worked
B. have been working
C. have worked
D. was working

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Future TenseWish SentenceModal Verbs - ObligationVerb Present Simple TenseIndependent ClausesComparatives or SuperlativesGrammar for TOEFLGrammar and VocabularyWH- Question WordsParallelism and Subject Verb AgreementOther quiz:
Simple vs Present Continuous Tenses › ViewThe girls ….the classroom together.
A. clean
B. cleans
C. to clean
D. cleaning
Mixed General Quiz › View
Vietnam is surrounded __ Cambodia, Laos, China and the South China Sea.
a. on
b. by
c. with
d. for
If it’s “up in the air”, it’s ___.
a. important
b. undecided
c. unwanted
Essential and Nonessential Clauses › View
The movie was emotional, and I was ____ by its message.
A. Affected
B. Effected
