单项选择题
Profits increased by $ 600,000 in ().
A. 2001 B. 2002 C. 2003
The airport express departs from platform 3 every 20 mi...
单项选择题The airport express departs from platform 3 every 20 minutes during the day (every 30 minutes at night).()
A. The train service to the airport runs 24 hours a day. B. Airport trains leave Platform 3 at 20 minutes past the hour. C. The airport express takes half an hour at night.
