263. --- When will that opera be ______?--- I don’t know. But I hope they can _____ next Sunday.put on; put on it B. put on; put it on C. put off; put off it D. put in; put it in
―When do we need to pay the balance ? ― September 30.
I'd like to go swimming ____ the water is not too cold.
It’s quite me why such things have been allowed to happen.
I can't use your pen, ___ there is no ink in it.
My sister was against my suggestion while my brother was_________it.