What bad weather!—Yes. If it _______raining, the fields willbe covered with water soon.

_______ is part of children’s nature. They always insist on getting to the bottom of everything.

e twins look much like each other,but they are different _____ nature.

You’d better get all the work _________ before youleave

I can’t find Mr. Smith. Where did you meet him this morning?—It was in the hotel ___ he stayed.