网址：http://m.1010jiajiao.com/timu_id_847694[举报]
Where is he going ______ vacation?
A．at B．for C．in D．to
What do you ask for help ________?
A．to
B．for
C．in
D．at
He’s leaving ______ Beijing next month.
C．at
D．in
It’s time _____ school.
B．at
C．for
Please call Gina ______ 87909978.
A．to B．at C．for D．in