问题

Upon _____ at the airport, we were given a warm welcome by the people there.
A:arriving
B:arrive
C:we arrived
D:arrived;
B:arrive
C:we arrived
D:arrived;
正确答案是:
同类题型
Shall I wait here for three hours?—Yes Three hours ______for you to wait for such a doctor
come down and help me with theheavy box!– Come on! I _____ all day longGet Peter to do that!
The building _____ Rome times has been rebuilt recently.
______ you put the sun there did the movements of the other planets in the sky make sense. [ ]