The teacher tells us not ______a hat in class.
Tree Planting Day is on ______ of March.
—Are you taller than your cousin, Mike? —No, I am as ______ as him.
It’s hot today, ______we want to go swimming in the river.
—______ do they get a present for their mother?—Because it’s their mother’s birthday.
Please call Xiaoxi ______ 0531-88881234 if you have some important news.