What makes the space shuttle _____ is that it takes off like a rocket but lands like an airplane.
—Where have you been all day?—I _________ some former classmates and I couldn`t get back until it was dark.
—He is eager to try something he has never tried before.—Oh,I see. That `s _________ he`s different from others.
As your teacher,I could not have you _________away with cheating in the exam.
Going abroad to study requires a big adjustment and it usually takes a while to_________.
.Failure can make a positive contribution to your life_________you learn to use it.