You will want two trees about ten feet apart, from ______ to suspend your tent.

Do you know______man in white?－Oh, he is_________ scientist from America.

All those second-hand goods are sold at before.

Does he _______a tennis ball? –No, he __________.

It is raining hard. Will you go to your friend’s birthday party?—I promised him to go, but the heavy rain really places me in a ______. I’m not sure whether I will go or not.