A、Not getting through to the restaurants.B、Paying a lot for delivery.C、Slow service.
（2）、What is special about Door Dash?
A、You can order from many places at once.B、You can check the progress of the delivery.C、The prices are lower than those from the restaurants.
（3）、What do we know about the work of Door Dashers?
A、The hours are flexible.B、The pay isn't very good.C、It's a good way to promote themselves.
（4）、Why do many restaurants like Door Dash?
A、They don't need to hire their own delivery workers.B、They don't need to find correct change to pay the driver.C、They can pay for things up front like a delivery car and gas.
