问题
Some volunteers from Beijing arrived in Shanghai _____ April 29 to work for the World Expo. [ ]
A: on
B: at
C: of
D:to
B: at
C: of
D:to
正确答案是：
同类题型
Can you connect the keyboard _____ the computer? —Yes, I can. [ ]
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The shop manager always says to his assistants, “We can never be customers.
Bob, it’s getting cold outside. _______ take a jacket with you? —All right, Mum. [ ]