By the time-B-10題

By the time we _________ tickets to Kyoto, all the hotels will have been booked already.

• reserve

• will reserve

• will have reserve

• reserved

By the time I graduate from senior high school, I _______ six thousand English words.

• will have learned

• will learn

• have learned

• had learned

By the time Epimetheus got to human beings, he _______ out of gifts.

• had run

• ran

• would run

• has run

By the time Mom ________ home, I had gone to bed.

• came

• had come

• would come

• come

By the time Sasha _______ to college, her parents will have retired.

• goes

• will go

• will have gone

• went

By the time Sasha _______ to college, her parents _______.

• goes… will have retired

• goes … retire

• will have gone … will have retired

• will have gone… retire

By the time the police _______ at the scene, the bank robbers _______ away.

• arrived… had run

• arrived… ran

• had arrived… had run

• had arrived … ran

The soap opera _______ already by the time my mother ______ on the TV.

• had started … turned

• started… had turned

• started… turned

• had started… had turned

By the time the boss _________, her employees ________ all the preparation.

• arrives… will have completed

• will arrive… will complete

• arrives… complete

• has arrived… will have completed

By the time modern humans evolved, fire ______ as a major tool by early humans.

• had been used

• will have been used

• have used

• will have used