We knew little about Shu-How Lin, a basketball player from New York Knicks, __________ we watched the basketball matches in NBA. A. until B. if C. when D. because
My father works in the hospital. He is a ______.
He can’t get into (进入)the room. He _____ a key.
I have got a dog, and _______ name is Zippy.
Everyone in our class ______ English.
—__________. —No, I’m not.