Do you mind if I sit here– . It’s for our teacher, Mr. Wu.

As the party was very informal, Jack stood there looking stiff andin his formal dress.

hales must come up for air after severalminutes, _______ a few can stay under water for an hour or more.

The rain has stopped. Please _____ your umbrellas.

__________ does he want to be when he __________ —He wants to be a computer programmer.