His sister left home in 1998, andsince.
had not been heard of
has not been heard of
had not heard of
has not heard of
Though he didn’t perform well in the French Open, he is still ______ the top ten in the world.
—Where’s my driving license? Maybe I left it at home.—My Goodness! I ______ you would always take it along.
Though the training cost a lot of time and effort, I do think it ______.
After careful consideration, he decided to take the position, ______ he knew it would be difficult for him.
The teacher handed our writings back to us, ______ some necessary changes.