Question

Lesson 4
Pull the Plug!
1. Read the expressions below and choose the option that best corresponds to its meaning.
24/7
. to cost an arm and a leg
• to pull the plug
• shape up or ship out
a. all the time
a. very cheap
a. stop an activity
a. to turn off the cell phone
b. 24 or 7
b. good price
b. go to bed
b. to behave or leave
C. 24 divided by 7
c. very expensive
c. change the game
c. to attend class​

Answer 1

Si cada expresión va unida solo con una opción sería así:
24/7 ---> a. all the time
to cost an arm and a leg ---> c. very expensive
to pull the plug ---> stop an activity
shape up or ship out ---> to behave or leave

De igual manera creo que es posible relacionar tales expresiones quizá con otro de los significados también, pero esencialmente son los que te dije.