题目内容
His grandfather is over 85, ______ he is very healthy.
[ ]
A. and
B. but
C. or
D. so
B. but
C. or
D. so
B
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______ they are twins, they don't look like each other at all.
[ ]
A. If
B. Though
C. Because
D. When
B. Though
C. Because
D. When