While cleaning thesnow on the road, _________.

_________ we wear, our family and friends may accept us, but the workplace may not.

What the remote areas need ____ educationto children and what the children need ____ good textbooks at the moment

Don’t forget to call me when you arrive in Shanghai.—Well, I will call you as soon as I ___ there.

Mary was heard ________ just now. What happened—John was telling a joke.