Don’t put the bag _______ on the ground. The things in the bag are easily broken.

Where ________ you last night? I called you, but got no answer.—Sorry. I ________ out with my brother.

________peoplewenttotheconcertlastweek.

How was your day off?— Pretty good! I ______ the science museum with my classmates.

Do you like lettuce ______ sandwiches? [ ]