Choose the best answer to complete the sentences

X. Choose the best answer to complete the sentences.
1. Although Lina spent her childhood in Spain, she
everything from that time.
D. was forgetting
A. forgets
B. is forgetting
C. had forgot
2. The security guard
to very loud music at that time, so he didn't hear the fire alarm.
B. had listened C. listened
D. was listening
A. is listening
3. When Pensy got out of her house, she suddenly remembered that she
A. didn't turn
B. wasn't turning C. hadn't turned
Robert, his mother
4. While the doctor
A. examined - waited
C. was examining - waited
5. Last Tet Holiday, our family
making chung cakes.
A. prepared - competed
C. was preparing - was competing
D. hasn't turned
patiently outside the room.
B. was examining - was waiting
D. examined - was waiting
off the heater.
the five-fruit tray, then we
B. had prepared - competed
D. prepared - was competing
each other in