1;they don't the documentary film ___?
2;the ooy_____is speaking Russian is my pen pal.
3;which songs do thay often sing_____Chritmas?
4;don't spend too much money_____clothes.
5;the doctor____me not to stay up to late at night 
6;his house looks very large anf beautiful.It is____house.
7:if you get up early,you____late
8;it's very hot today.I wish I____on the beach now
9;whe he lived in the city,he____to the theater twice a week
10;my father asked us ____too much time playing computer games
11;if I were a flower,I____a sunflower
12;nobody went to the party,____?
13;it is nearly 3 monther____he visited his parents
14;______population is another unpleasant result we have to solve
15;if we_____enough time,we'll study this exercise more carefully
16;what would you do,if you____a UFO?