It’s kind _______ you to help me with my Math. Now I think it's easy _______ me to learn Math well.
______ is your father ? ---He’s a driver.
________ climb the mountains(山).
—Where’s Mary? —She’s ________ the classroom.
I get up ________ 6:30 ________ every morning
I ________ a bag. ________ a new bag on the desk.