[ Grammar ]
Be quiet! The baby ___.
A. am sleeping
B. was sleeping
C. were sleeping
D. is sleeping

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Types of Sentence Structures › ViewSince it takes approximately one thousand years for a used printer cartridge to decompose, recycling these plastic ink dispensers helps the environment.
A. simple
B. compound
C. complex
D. compound-complex
Relative Clauses › View
Can you remember the name of the hotel ________ we stayed last year?
A. when
B. whose
C. where