题目内容
“Welcome ________ aboard!”said the conductor with a smile.
[ ]
A.to
B.on
C./
D.in
答案:
解析:
解析:
|
aboard 是副词,故前不用介词. |
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题目内容
“Welcome ________ aboard!”said the conductor with a smile.
[ ]
|
aboard 是副词,故前不用介词. |