“If you’re walking down the right path and you’re willing to keep walking,_____ you’ll make progress”, said the president Obama

’t know his address yesterday,otherwise I __________ him a visit

the red switch on the left and the flying machine will swiftly go up into the air and its journey

We are a little worried because we _____the ground as a leader in the field of IT with the others speeding updevelopment．

ng earnedthe respect from the whole world as he hopped down the track to the finishingline, ____the last hurdle