题目内容
-- Excuse me. Did you see Tom just now?
-- I saw him ________ the building and go upstairs.
[ ]
A .to enter |
B .enter |
C .entering |
D .entered |
答案:B
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题目内容
-- Excuse me. Did you see Tom just now?
-- I saw him ________ the building and go upstairs.
[ ]
A .to enter |
B .enter |
C .entering |
D .entered |