[ Grammar ]
CHOOSE THE CORRECT GRAMMAR TENSE
They have been working all day
A. Present Perfect
B. Present Perfect Progressive
C. Past Perfect

Random Topics:
Action, Helping & Linking VerbsGrammar - too & enoughIndependent and Dependent ClausesSubject-Verb Agreement3rd Person SingularThere is or There areNoun / PronounCausative VerbContractions and ConjunctionsComparisonOther quiz:
Subject Verb Agreement and Coordinating Conjunctions › ViewChoose the correct verb form to complete the sentence: “The birds ______ singing early in the morning.”
A. start
B. starts
C. started
D. starting
Grammar › View
_______ electricity you use, _______ your bill will be.
A. More / higher
B. The most / the higher
C. The more / the high
D. The more / the higher
Grammar & Vocabulary › ViewIt’s hot near the ____ so be careful!
A. fire
B. fridge
C. sofa
D. window
Prepositions › View
What does a preposition do in a sentence?
A. It renames the subject.
B. It shows an action.
C. It shows the state of being.
D. It shows a relationship between a noun or pronoun.
