题干
The New Year's concert will ______ on New Year's Eve.
A：take place
B：happen
C：take place of
D：happen to
答案(点此获取答案解析）
A
The New Year's concert will ______ on New Year's Eve.
A：take place
B：happen
C：take place of
D：happen to
（米），则经过多长时间，它的速度为3米/秒？ （ ）