quelques idées de phrase possibles :

a/ why don't we go shopping in the city center, sheryl?

 ou

what about going shopping in the city center ...

b/ why don't you call your friend amy and invite her ?

c/ why don't you spend more time reading books at the library ?

ou what about spendind more time reading books at the library ?

d/ let's come and visit your grandmother with me

what about coming ans visiting your grandmother with me?

e/ what about taking dancing lesons with your cousin J?

ou why don't you take dancing lessons with your cousin j ?

a- let's go shopping in the city center

b- why don't you call your fienr amy and invite her

d-let's visit your grandmother

e-what about taking dance lessons withe your cousin ...