All of __ sudden , I saw __ UFO with _____ alien in it flying in front of my house.A. the ; the ; a B a ; the ; a C. a ; an ; an D. a ; a ; an
My mobile phone is missing. Who _____ it?
The young man, _____ in heavy traffic on the way, got home an hour later than usual.
Don’t run red lights, _____ you may get run over by a car.
Language is changing all the time. Some English words today can mean totally different things to _____ they meant before.
Give my regards to your parents when you _____ home.