[ Grammar ]
. The students in the library ___ quietly.
A. works
B. working
C. work
D. is working
Select your answer:
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Simple Past and Past Progressive Tenses › ViewWhich signal word indicates an action that interrupts another action?
A. first
B. then
C. while
D. when
Past Modals › View
This movie is boring. We ________ watched something else.
A. should have
B. shouldn’t have