He made a new year _____to read for an hour every day.
A:resolution
B:determination
C:appreciation
D:revolution
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Maggie ____the floor when she _____the door bell ring.
A:was sweeping … heard
B:swept … heard
C:was sweeping … was hearing
D:swept … was hearing
The smile on her face ________ that she was willing to go.
A:suggested
B:explained
C:supposed
D:insisted
The key to _________ laws lies in devotion and responsibility of the staff concerned.
A:enriching
B:enrolling
C:enlarging
D:enforcing