_______and three is ten.
—Would you mind my opening the window?—_______ . It’s cold today.
My cousin has been learning English _____she was six years old.
—What did she______?—She said she ______to Beijing for a trip.
We will go to the mountains,if it______this Saturday.
—Were you at home at 9:00 pm yesterday?— Yes, I _______ for a call at that time.