We had to wait one and half hours _________ we had already booked a table.A. since B. although C. until before
When hethe door, he found his keys were nowhere.
In April, 2009, President Hu inspected the warships in Qingdao, the 60th anniversary of the founding of the PLA Navy.
not to miss the flight at 15:20, the manager set out for the airport in a hurry.
____ twice, the postman refused to deliver our letters unless we changed our dog.
All of them try to use the power of the workstation ___ information in a more effective way.