根据上下句句意用适当的疑问词填空。
（1）— _______ will they go to Beijing?
— On January 2.
（2） —________ do you want me to do?
—I want you to help me with my English.
（3） — _______ does Jenny come from?
— She comes from Canada.
（4） — _______ are they going to Beijing?
— By bus，I think.
（5） — _______ is your father talking to now?
— He is talking to my teacher.