-- I am going to Sidney for further studies next month.-- That's fantastic. Can you keep e

问题补充：

-- I am going to Sidney for further studies next month.

-- Thats fantastic. Can you keep emailing me you are there?

A. though

B. because

C. until

D. while

答案：

A. though

B. because

C. until

(答案→)D. while

解析：考查连词辨析。Though 虽然，because 因为，until 直到，while 当什么的时候，句意：下个月我打算去悉尼深造。太了不起了，当你在那的时候你能保持给我发邮件吗？所以选D。