问题
选择题
Hello! I'm very glad to see you. When_________ you_________ here?
A．did; arrive
B．will; arrive
C．have; arrived
D．are; arriving
答案
A
考查动词时态。从I'm very glad to see you.“很高兴在这里见到你。”可知问的是“过去”什么时候“到达”的，故答案选A，一般过去时。