Columbus_________America more then 400 years ago.
Đáp án D
Một hành động diễn ra trong quá khứ và kết thúc trong quá khứ => thì quá khứWhich of the followings is NOT an evidence of monitoring studying?
Our flight was delayed, but the plane finally _______shortly after midnight.
It can be a very (30) __________ surprise if you expect to shake hands and get a kiss or a hug instead.
Which of the followings is the flow of water from the ground to the surface?
Which of the followings is NOT badly affected by contaminated groundwater?
But things are more likely to turn (80) ________ well if you persevere and stay positive.
So, before you (90) ________ out to get yourself the latest technological appliance, think long and hard as to whether a notebook PC is really suitable for you.