The dog……………………….under the tree.
A. has sleep
B. have slept
C. has slept
D. had been

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Grammar › ViewBotanists recognize over fifty different species of sunflower, and variance exists even in those species. One species, the silverleaf sunflower, ______ both an early-flowering ecotype that tends to grow in coastal areas and a late-flowering ecotype that grows inland.
Which choice completes the text so that it conforms to the conventions of Standard English?
A. encompassing
B. to encompass
C. encompasses
D. having encompassed
Mixed General Quiz › View
My colleagues are ___ of the nicest people I know.
a. some
b. sum
Provide an example of a word that uses the suffix ‘-less’.
A. endless
B. fearless
C. careless
D. hopeless
Present Progressive Tense › View
What is Mom doing now?
Mom __________ now.
A. is cooking
B. are cooking
C. cook
D. cooking
