When the old man to walk back to his house, the sun itself behind the mountain.
A. started; had already hidden B. had started; had already hidden
C. had started; was hiding D. was starting; hid
More than a dozen students in that school abroad to study medicine last year.
A. sent B. were sent C. had sent D. had been sent
Months ago we sailed ten thousand miles across this open sea, which _______ the Pacific, and we met no storms.
A. was called B. is called C. had been called D. has been called
Susan decided not to work on the program at home because she didn’t’ want her parents to know what she __________.
A. has done B. had done C. was doing D. is doing
Nowadays, a large number of women, especially those from the countryside, _________ in the clothing industry.
A. is working B. works C. work D. worked
The policeman's attention was suddenly caught by a small box which ______ placed under the Minister's car.
A. has been B. was being C. had been D. would be
