---Tina, _______ ----G-R-E-E-N. A. what's your first name? B. what's that in English? C. spell "green", please.
I don't know if it ____ (rain) tomorrow. If it ______ (rain) tomorrow, I won’t climb the hills.
Joan and Mary haven't seen each other_____ they left school five years ago.
A talk on Chinese history _____ in the school hall next week.
—Is Xiao Li in the classroom? —No, hethere. I saw him in the reading room just now.
They arrived ___ London___ a cold winter night.