单项选择题
A．They don’t have to go to the concert. B．His brother will let them use the car. C．The sub Way is fine with her. D．They’ll have to rent a car as early as possible.
A．Connect. B．Deal with. C．Find out. D．Relieve.
A．dust particles B．droplets that are uniform in size C．droplets that are large and small D．bubbles