We need friends to ______, or we will feel ______.
A group of middle school students spent two weeks _____ the jungle.
Please ask the headmaster to decide .
I want to know if your sister will go to the movie. — If your sister , so .
— Bill, is the pink umbrella Anna’s? — No, it be hers. Hers is purple.
Mr Wang’s lessons are _____, so his students like him very much.