269. Although he didn't mention any names, everyone knew _____ he was _______.
Doyouhappentoknow________?
Let Tom play with your toys as well, Clare—you must learn to_______.
Johnaskedme_______tovisithisuncle’sfarmwithhim.
The policeman warned the driver _______ so carelessly.
When we visited Hainan again ten years later, we found it changed so much that we could hardly _______ it.