The following dialog is for questions 4 and 5.Wenda - We need a USB stick with higher capacity
to save the video
Sean : How many capacity is left?
Wenda : Only 480Mb and the video is 510Mb. Do
you have another?
Sean I do, but the capacity is less than 200Mb.
Well, you stay here, I'll buy a new USB
stick
Wenda : O.K. Please be quick or we lose our
chance to submit our work.

4. What are Wenda and Sean talking about?
A. A video
B. A USB stick
C. A large room
D.A pair work

5. From the dialog we can conclude that
A. Wenda has several USB sticks
B. the speakers are going to make a video
C. the teacher will collect the video soon
D. Sean will look for another USB stick now​