[ Present and Past Perfect Tenses ]
My father _____ been working in that company for 25 years by the time he retires.
A. has
B. had
C. will have

Random Topics:
SentencesWishes & Reported SpeechVerbs + Infinitives / GerundsAdverbial Clauses of Manner and ResultAdverb of MannerAdverbs, Prefixes, and Suffixes1st ConditionalModal ProbabilitySimple PresentAdverbs by TypeOther quiz:
Vocabulary & Grammar › ViewThe train ______________ at 5 o’clock.
A. leave
B. will leave
C. leaves
D. is going to leave
Grammar › View
That man hasn’t ________hair on his head.
A. some
B. many
C. much
D. a little
Past Perfect Simple & Past Perfect Continuous › ViewWe use had been + the -ing of the main verb to form the past perfect continuous.
A. TRUE
B. FALSE
Grammar › View
Where is ___ North America located?
A. –
B. a
C. the
D. some
