下列各句中，表达得体的一句是

I saw Ken in the meeting room, he ______ Joe for the school magazine.

Mr. Wang told us that he would devote all thetime he could spend _______ his oral English before going abroad.

_______ from what he said and did , Mr White is a doctor.

That must have been a long trip.——-Yeah, it______ us a whole week to get there