The possibility of peace talks between the two sides ______ whether the demands of various aspects can be met.
Where’s your father?—He __________ to Singapore for a meeting. He ________ there twice.
What do you do __________ National Day?[ ]
Have you finished you work? Yes, I have finished it. I finished it 1 hour ago.
___ do you go to see your grandparents?— Once a month. [ ]