Who kidnapped my English teacher?

One morning, Mrs. Célia Duarte, our English teacher, ______ (to disappear).

• disappeared
• disappears

• was disappearing

• were disapearing

She ______ (to sit) in the staffroom and ______ (to write) notes for the next class.

• was sitting / was writing

• sat / was writing

• was sitting / wrote

• sat / wrote

Suddenly, a kidnapper (a)   (to appear) behind her.

He ______ (to tie) her hands with a rope and ______ (to cover) her face with a handkerchief.

• tied / was covering

• tied / covered

• was tying / covered

• tied / was covering

Mrs. Célia ______ (to feel) scared as the kidnapper ______ (to lock up) the room.

• feel / locked up

• felt / lock up

• felt / locked up

• fee upl / was locking

Later, the students ______ (to find) a note that ______ (to say): "Bring ransom money to the abandoned warehouse if you want to see Mrs. Célia again!"

• found / said

• find / said

• found / say

• were finding / said

The students (a)   (to decide) to act quickly.

They ______ (to search) her desk and ______ (to find) clues about where she might be.

• searched / find

• were searching /found

• searched / were finding

• searched / found

When they ______ (to arrive) at the warehouse, they ______ (to see) the kidnapper guarding the door.

• arrived / were seeing

• arrived / saw

• were arriving / saw

• arrive / see

While one student ______ (to distract) him, another student ______ (to untie) Mrs. Célia.

• distracted/ was untying

• were distracting / untied

• distract / was untying

• distracted / untied