题目内容
23、On April Fool’s Day, our classmates played tricks ______ each other．
A．at B．for C．on D．of
试题答案
23、C
On April Fool’s Day, our classmates played tricks ______ each other．
On April Fool's Day, our classmates played tricks ________ each other．
A．at
B．for
C．on
D．of