A.To remind him of the data he should take to the conference.B.To see if he has time to attend the conference.C.To inform him of the latest arrangements about the conference.D.To help him prepare for the coming conference.
A.To remind him of the data he should take to the conference.
B.To see if he has time to attend the conference.
C.To inform him of the latest arrangements about the conference.
D.To help him prepare for the coming conference.