[ Verb Tenses ]
She ______ (study) English for 3 hours when I called her.
A. had studied
B. had been studying

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PunctuationsGrammar: Imperative and Exclamatory SentencesAdjectives with PrepositionIdentify The TensesAdverbs of frequencySpeculation with Modal Verbsas...as, comparatives, superlativesPresent Perfect or Past Simple TenseIntensifiers: Really vs VeryModal Verbs and ConjunctionsOther quiz:
Grammar › ViewPay attention to your work _________ you will not make mistakes.
A. so that
B. unless
C. or
Future Perfect Tense › View
She will have been teaching.
A. Will she not have taught?
B. Will not she have taught?
C. Will she have not taught?
You need a thermometer ___ measuring temperature.
a. for
b. for to
c. to
Grammar › View
It´s nice _____________ someone how important they are to you.
A. Tell
B. To showed
C. To tell
