Question

They arrived ______ London ______ the morning of July 1. A．in , in B．in , on C．on , in D

They arrived ______ London ______ the morning of July 1. A．in , in B．in , on C．on , in D．at , on

Answer 1

B

到达大地点用介词in，在时间前只要有天的用介词on，本题中有个1号，故本题选B。