21.
Roger looked at him and, without . . . . . . . . word, gave him . . . . . . . . ten dollar note.

22.
. . . . . . . . great improvement in . . . . . . . . patients condition was brought about by . . . . . . . . use of . . . . . . . . newly developed antibiotic.

23.
We have a very good train service from here to . . . . . . . . city centre and many people go to . . . . . . . . work by train.

24.
He is . . . . . . . . doctor.

25.
Can you do me . . . . . . . . favour?

27.
She is in . . . . . . . . hurry.

28.
She has . . . . . . . . French name but she's English, not French.

29.
This is quite . . . . . . . . good poem.

30.
The professor had a big nose, . . . . . . . . small mouth and . . . . . . . . enormous mustache.