题目
A.12
B.50
C.25
D.24
第1题
If gold is marked with a Karat quality mark, it must also bear ______.
A.a national gold and silver stamp
B.the registered trademark of the entity standing behind the mark
C.a "made in the USA" mark
D.a percentage mark
第2题
A.will ring
B.am going to ring
C.am ringing
D.ring
第3题
If gold is marked with a Karat quality mark, it must also
A.bear a national gold and silver stamp.
B.bear the registered trademark of the entity standing behind the mark.
C.bear a "made in the USA" mark.
D.bear a percentage mark.
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