—Great changes have taken place since we ________ E-times. And smart phones play an important role in our life, especially Iphone 6s came out recently.—So it is. Our future life will be colorful .A.enteredB.will enterC.have entered
At school, we are taughtknowledgehow to behave well.
—Listen! Theresomeoneat the door. —It must be your sister.
The movie is so interesting that I don’t seeing it again tomorrow.
Weto start at once, or we will miss the train.
—How many timesCarlto the Great Wall? —Only once.