1) is she
2) didn't you
3) aren't I
4) did he
5) won't it
6) have you
7) hasn't she
8) are they
9) will they
10) isn't he
11) wasn't it
12) doesn't he
13) were they
14) don't you
15) do they
16) can she
17) can't they
18) does he
19) mustn't we
20) must it
Billy can write
Nick and Pam can play tennis
Martin likes reading
Mary and Bess like singing
Jack and Thomas can play football
Jane can jump over a rope
Peter likes riding a bike
Dino likes playing chess
1instructive
2education
3memorize
4qualification
5silently
6incorrect
1) The children have been in the cinema.
Have children been in the cinema?
The children haven't been in the cinema.
2) Nick has never builta house.
Has Nick built a house?
Nick hasn't built a house.
3) You have ever visited Greece.
Have you ever visited Greece?
You haven't ever visited Greece.
4) She hasn't come yet.
Has she come yet?
5) Our friends have just arrive in Moscow.
Have our friends just arrive in Moscow?
Our friends haven't just arrive in Moscow.