Jane _____ these families of chimps for many years and helped people understand how much they behave like humans.
– Hey! Lucas! Have you heard about the selective courses this year? --_______ . What about that?
Actually, _______ works hard can be _______ they want to be, whether it is a pilot, an engineer or a manager.
Rich people can afford to ________ hobbies they like
. Put the book back to the same place ________ you found it after finishing reading.
It’s reported that the bridge _______ next year will be very long.