Will you go shopping with me this afternoon—____,if Tom does.

n’t put your cell _____ the edge of the table,or it will fall off

Mrs.White said that she would treasure the most __________ time she had ever had.[ ]

People have always been ________ about exactly how life on earth began．[ ]

Have you finished the book?— No, I’ve read up to ________ the children discover the secret cave[ ]