[ Tenses ]
This is ___________ global warming.
A. Calling
B. Calls
C. Called
Select your answer:

Random Topics:
Adverbial PhrasesState Verbs and Action VerbsGrammar and PrepositionsClauses of ReasonVerb PhrasesBe Going To vs. WillVocabulary and ModalsGrammar: MorphologyTenses & PrepositionOther quiz:
Grammar › ViewBat … this performance recently.
A. saw
B. sees
C. has seen
Subject – Predicate › View
Our science teacher drew a diagram on the chalkboard.
A. Complete subject
B. Complete predicate
C. Simple subject
D. Simple predicate