1. Open the brackets: 1) When Liz (to walk) along the road, she suddenly (to meet) her friend.

2) Jack (to change) already his clothes five times today.

3) My friends (not to walk) in the park yesterday.

4) They (to celebrate) Mother's birthday tomorrow.

5) The pupils (to write) a dictation at 2 o'clock yesterday.

6) The train (to arrive) at 5:24 a.m.

7) The girls (to dust) the furniture for the whole day. She looks tired

8) When I (to arrive) at home yesterday, Alice (to read) the book which I (to present) her two days before.

9) The boys (not, to understand) what the sports coach (to tell) them about the game now.

10) We (to arrange) the party tomorrow at 5 o`clock. The tickets have already been sent to everyone.

11) Water (to freeze) at 0⁰C.

12) She (always, to interrupt) me!

2. Make up questions:

1) The wind moved the leaves. (When?)

2) The train arrives at 12 o'clock. (General Question)

3) You will find yourself without any friends. (Special Question)

4) The squirrels are playing in the tree now.. (To the subject)

5) They were cleaning the carpet yesterday at 5 o'clock. (Tag Question)

6) They have already been reading this book for a month (Alternative)

7). Russian science has achieved great results. (Indirect)

1 was working,met

2 has changed

3 didn't walk

4 will celebrate

5 were writing

6 arrives

7 had been dusting

8 arrived, was reading ,had presented

9 doesn't understand, is telling

10 will arrange

11 freezes

12 She always interrupts me.

1. When did the wind move the leaves?

2. Does the train arrive at 12 o'clock?

3. Who will you find yourself without?

4. Who is playing in the tree now?

5. They were cleaning the carpet yesterday at 5 o'clock, weren't they?

6. Have they already been reading this book or magazine for a month?

7. Can you tell me why Russian science has achieved great results.

ответ:

объяснение:

porcupine is a mountain animal found in south america, africa, india and central asia. these rodents mainly inhabit highlands, but they can also live in deserts. the weight of porcupines reaches 27 kilograms, and the body length can be up to 90 centimeters. the length of the tail is 10-15 centimeters. the hair color is brown, and the needles are black and white.

in summer, they feed on the green parts of plants, roots. in autumn, they eat watermelons, melons, grapes, and in winter they eat the bark of trees. they use their needles for protection. the longest are up to half a meter. porcupines are of different types: crested, indian, south african and so on.

porcupines love adventure!