18. Only fresh fish _________ in this restaurant.
A. was served B. is served C. is to serve D. serves
19. Ho Chi Minh Mausoleum __________ in August, 1975.
A. completes B. completed C. is completed D. was completed
20. Yesterday she ________ a very difficult task to do.
A. has given B. was given C. gave D. is given
Loga
Sinh Học lớp 12
