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课时提升作业(九)
必修3 Unit 3
Ⅰ. 单项填空
1. The “Titanic” sank slowly to the bottom of the ocean with 1, 500 passengers ______.
A. on the board B. on board
C. getting on board D. across the board
2. Shopping online is ______ accepted. More and more people are buying what they need on the Internet.
A. fortunately B. gradually
