问题

Father’s Day is _______ June 21 this year. [ ]
A: at
B: in
C: on
D:to
B: in
C: on
D:to
正确答案是:
同类题型
______is the Changjiang river in China, do you know?—Yes, it’s about 6,380 kilometers long.
Tom, who taught Chinese before you came to China?-Nobody. I learned it by .
Mary never does any reading in the evening, _________.
____, he sometimes makes mistakes.
Can you finish the work better with ______ money and ______ people?