1.
1.a
2.an
3.the
4.an
5.the
6.the
7.the
8.a
9.the
10.an
2.
1.2.correct
3.seed
4.correct
5.crop
3.
1.see
2.foreground
3.front
4.behind
5.imagine
S4.2.
1.I'm not fast enough to win the race
2.Janie is as tall as Dave
3.The rhino not as heavy as the elephant
4.I've got enough eggs to make a cake
5.I'm too tired to go to the movie at midnight
3.
1.2.correct
3.silently
4.fighting
5.correct
4.
1.pay
2.out
3.pardon
4.adults
5.change