)
Choose the correct answer from the given alternative.
16) I couldn't see the teacher because he
before I arrived the school.
A) had left
B) has left
C) left
D) was leaving
17) He was very tired because he
the bags upstairs.
A) have carried
B) had carried
C) carried
D) has carried
18) He asked me to give his book back but I
B) had lost
C) was lost
A) have lost
D) lost
19) She
all of the questions in the exam because she had studied very well.
C) answer
D) answered
A) answering
B) answers
20) When I arrived the church was empty. Everybody
D) was gone
B) has gone
C) had gone
A) had been gone