Plains may be surrounded by small hills or mountains.
A. Complex
B. Not Complex

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Grammar › ViewWhat is the difference between subject and predicate?
A. The subject is the beginning of the sentence. The predicate is the end.
B. The subject explains what the subject of the sentence is doing. The predicate is the subject of the sentence.
C. The subject is what the sentence is about. The predicate explains what the subject is doing.
D. none of the above
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Ducks ______ birds, but cows _____ birds.
A. aren’t / aren’t
B. aren’t / are
C. are / aren’t
D. are / are
E. is / isn’t
Grammar › ViewThe equipment I have ordered for the school gym __________ of three treadmills, two stationary bikes and a set of weights.
A. consist
B. consists
C. is consisting
D. are consisting
Grammar - help/have/let/make › View
Mrs. Kim _____ her students ____ a dictionary in class.
A. lets – use
B. let – used
C. letting – using
D. let – uses
