Zoos are like ________ textbooks for young people.
A. alive B. live C. living D. to live
We find ________ hard to do a job very well.
A. this B. that C. it D. these
They were too tired. They decided to stop ________ a rest.
A. had B. having C. to have D. to having
The shower is still on. Please go to ________.
A. turn it off B. turn them off C. turn off it D. turn off them
The word “cool” ________ young people so often these years.
A. uses by B. is used by C. is used as D. is used for
—How much is the ticket to Central Park?
—A one-way ticket $40, and you can another $20 for a
round-ticket.
A. costs; pay B. cost; spend C. pay; spend D. spends; pay