Though you’ve got a tight schedule these days, I would be _____ if you could afford time to attend our meeting today. [ ]

His love for _______ is so great that he kept on climbing after the accident.

I find this Math problem very ___ _. I believe the students can work it out .

Shall we go to spend the winter holiday in Sanya—_______ There must be too many people there.

I guess we’ve already talked about this before but I’ll ask you again just __________.[ ]