$\text{6.}$ Many ancient things are kept in museums.
$\text{7.}$ Is the Temple of Literature surrounded by four busy streets?
$\text{8.}$ Many famous films are made in Hollywood.
$\text{9.}$ The dinner is being prepared in the kitchen by her mother.
$\text{10.}$ All my homework is done on my computer. 

→ Câu bị động thì Hiện Tại Đơn : S + is/am/are + (no)  + Vpp + ( by O ) → Ở trong câu 6,7,8,10 

→ Câu bị động thì Hiện Tại Tiếp Diễn : S + is/am/are + (not) + being + Vpp + ( by O ) → ở trong câu 9 

$#Keisha$

=>
6. Many ancient things are kept in museums.
7. Is the Temple of Literature surrounded by four busy streets?
8. Many famous films are made in Hollywood.
9. The dinner is being prepared in the kitchen by her mother.
10. All my homework is done on my computer.
Bị động HTĐ : S is/am/are V3/ed (by O)
Bị động HTTD : S is/am/are being V3/ed (by O)