[ Grammar ]
Look! The cat_______ the tree.
a. climbing
b. is climbing

Random Topics:
Grammar & VocabGiving and Asking for AbilityArticle the or zero article (-)Relative - ConditionalNoun PhraseGerunds as objects of prepositionSimple Past/Past ProgressiveTenses of Verbs - UsageConditionals and Modals of ProbabilityGrammar: Defining Relative ClausesOther quiz:
Grammar › ViewWhat is the correct plural form of the word “child”?
A. childs
B. childes
C. children
Vocabulary › View
Scientist that use fossils to answer questions about Earth’s environment in the past.
A. Botanist
B. Astronomer
C. Taxonomist
D. Paleontologist
