AIDS is said____the number one killer of both men and women over the past few years in that poor area, where no medical services are available. A．to be B．to have been C．bei
Long, long ago there was a wise man that used to go to the sea to do his writing. He had a habit of walking on the beach before he began his work. One day he was walking along the shore. As he look
About one fourth of the families in the city have private cars and this number _____ to double in five years. A. is expecting B. has expected C. is expected D. will expect
