11-No sooner .....the noise than we rushed to the spot.
A) o we did hear
B) o had we heard
C)o we had heard
D) o we heard

12- We weren't hungry because we…….
A) o were already eating
B) o have already eaten
C) o had already eaten
D) o already eaten

13-My aunt bought me a lovely gift after.......... the summer holiday with us.
A)o have spent
B)o spent
C)o spending
D)o had spent

14-Mr Maher........ in a bank for 15 years. Then he gave it up.
A)o has worked
B)o worked
C)o can work
D)o works

15-A lot of crimes.................in this neighborhood last month.
Ao are committed
B)o were committed
C)o were committing
D)o committed

16- My sister's teeth …... by the dentist at the moment.
A)o are being cleaned
B) o are cleaned
C)o were cleaned
D)o will be cleaned

17- Having ................. our food, we began our journey to the mountain.
A)o prepared
B)o preparing
C)o been prepared
D)o being prepared

18-It .................. when we had met our friends that we invited them to
dinner.
A)o was not
B)o was
C)o has been
D)o was only

19-When we arrived at the hotel, our room……already.
A)o was being prepared
B)o had been prepared
C)o was preparing
D)o had prepared

20-After the storm, some scientists……to the beach to see what had happened.
A) o were sent
B) o are sent
C) o had sent
D) o have been sent