[ Grammar ]
Miss Wu: _____ David doing his homework when I _____ the classroom? Class leader（班長）: Yes, he was.
A. Were; entering
B. Was; entering
C. Were; entered
D. Was; entered
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Prepositions and Preposition Phrases › ViewIdentify the prepositional phrase:
The pencil that fell off the desk was yellow.
A. off the desk
B. fell off the desk
C. was yellow
D. pencil that fell
Grammar › View
What is a fragment?
A. A group of words that expresses a complete thought.
B. A group of words incorrectly joined with or without a comma.
C. A group of words that is used as a sentence but does not express a complete thought.
Grammar › ViewPeople used to ___________________ silly things when they were young.
A. do
B. did
C. does
D. doing
Grammar › View
When _______ Chemistry class?
A. do you have
B. do you has
C. does you have
D. does you has