19. When ....... the conference?
a. the doctor attended
b. did the doctor attend
c. the doctor will attend
d. the doctor's attendance
the answer of the question : b. did the doctor attend
the sentence : when did the doctor attend the conference?
reason :
The structure of the sentence question word in Simple Past Tense (QW + did + subject + infinitive?). question word in here : what, where, when, why, which and who. if we want to ask the subject with question word, the structure (qw + past tense "V2"?). after we know the tenses that we'll use, we can know the meaning of the sentence.
FISTIA FANNI HAPSARY
12210817 / 4EA09