The mobile phone is useful to us, and we can use it _______others at any place.A. call B. calling C. to call
James is an English boy. He _____ from England.
My name ____ Jack. Liu Ying and Sun Mei ____ my friends.
—____ are you? —I’m twelve.
--- Is that woman Ms. Zhang? --- ________. She’s my aunt.
--- Are these your books? --- ________.