[ 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
Select your answer:
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Grammar › Viewshall, may, must
A. modal verbs
B. main verbs
Sentence Completion › View
Although the mayor was well liked by most of the town’s residents, his ________ approach to crime prompted calls for tougher enforcement from some members of the community.
A. rigid
B. successful
C. lax
D. proven