It is hard to say what kind of person he is.Sometimes he is very friendly; at other times he ___ be very cold.
News reports say peace talks between the two countries________with no agreement reached.
She loves music and is now learning to play an ____________.
She doesn’t ________ much money,but she enjoys the work.
His face looked _____ to me,but I just couldn’t remember where we met.
The elderly need special care in winter,as they are________to the sudden changes of weather.