Food supplies may __________ towards the end of the trip, so we can't waste any food.
| A．run out |
| B．run up |
| C．run into |
| D．run away |
—Where have you been all day?
—I _________ some former classmates and I couldn`t get back until it was dark.
| A．have met | B．would meet | C．met | D．had met |
—He is eager to try something he has never tried before.
—Oh，I see. That `s _________ he`s different from others.
| A．when | B．what | C．how | D．where |
As your teacher，I could not have you _________away with cheating in the exam.
| A．get | B．getting | C．breaking | D．break |
Going abroad to study requires a big adjustment and it usually takes a while to_________.
| A．calm down | B．fit in | C．keep up | D．cheer up |
.Failure can make a positive contribution to your life_________you learn to use it.
| A．since | B．unless | C．until | D．once |