Do you mind my joining your discussion — ______ You are so welcomed.

“Well done, John! Not a single mistake____in your exam paper this time!”said the teacher．

He is the only one of the students __________ want to accept the teacher’s advice.[ ]

I am told that the new law will come into _____on January 1st next year

Mr White _______his racing bicycle by himself yesterday, but I’m not sure whether it is ready