问题
选择题
David suddenly felt nervous. ___________, it was his first time to go on stage.[ ]
A. At least
B. After all
C. At once
D. At all
答案
答案：B
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David suddenly felt nervous. ___________, it was his first time to go on stage.[ ]
A. At least
B. After all
C. At once
D. At all
答案：B