When we plan our vacation , mother often offers______suggestions.
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A
careful
B
practical
C
concerned
D
promising
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The blackboard was wiped _____ . 
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A
clean
B
cleaned
C
cleanly
D
to be cleaned
 We call Sam Smith      .
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A
Mr. Smith
B
Mr. Sam
C
Mrs. Smith
D
Mrs. Sam
32. What the leader referred to in the report was really something _______.
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A
worthy to be considered
B
worth to be considered
C
worthy of considering
D
worth being considered