Betty will ring me up when she ________ in Beijing.
—________is the apple? —It’s red. A. What B. What colour C. What’s
下列表达正确的是: . A. one bags B. three boys C. ten boy
—What’s in the bag? —There _______a pen, ten books and a dictionary. A. am B. is C. are
Mum,____is my friend , Mary.
Twenty and ____is sixty.