1. What idea is NOT mentioned in theactivity? A) people will travel to otherplanets B) the size of our Solar System C) information aboutplanets D) only Earth has gotlife 2. In what way are the planets described? A) mixture ofrings B) mixture ofgases C) as mixture ofcolours D) mixture ofelements 3. What scientists did withPluto? A) decided it is aplanet B) named it in anotherway C) took probes fromit D) decided it is not aplanet

21 on, stole

22 are visiting, aren't

23 had washed, so

24 has hurt, in

25 which, have been painted

26 was talking, while

27 who, the furthest

28 to see, visits

Объяснение:

21 base smth on smth - устойчивое сочетание, перевод: 'основываться на чем-то'

22 are visiting - запланированное действие, которое точно будет исполнено

aren't you? - разделительный вопрос, используется для превращения утверждения в вопрос; если в главном предложении глагол в утвердительной форме (напр. are), то в разделительном вопросе - глагол в отрицательной форме, и наоборот.

23 had washed - Past Perfect, т.к. действие завершилось к определённому моменту в

24 has hurt - Present Perfect, т.к. действие завершилось до определённого момента в настоящем/в будущем

take part in - устойчивое сочетание, перевод: 'принимать участие'

25 have been painted - Present Perfect Continuous, т.к. действие длилось на протяжении долгого времени в но в настоящий момент оно прекратилось.

26 was talking - Past Continuous, действие длилось во время определённого периода в

27 (far - further - ) the furthest - на самое дальнее расстояние в гонке на выносливость

28 be able to do smth - устойчивое сочетание; be able to see - быть увидеть

visits - Present Simple в придаточном времени

I.GRAMMAR: 
Example: She a student. She’s a teacher.
 B isn’t 
1 We to France last summer.
 C went
2 I always toast for breakfast.
 B have 
3 your brother play the guitar?
A Does 
4 My mum doesn’t like to work.
 B driving 
5 They TV at the moment.
A ’re watching 
6 I to Rome.
 B ’ve never been 
7 What tomorrow afternoon?
 B are you going to do 
8 We to Rome and then we drove to Florence.
A flew 
9 She to school today because she’s ill.
A doesn’t go 
10 I at the moment because I’m on holiday.
A ’m not studying 
11 Have you ever Japanese food?
 B eaten 
12 They pizza. They had pasta.
A didn’t have 
13 Who your favourite actors?
 B are
14 How often to the cinema?
B do you go 
15 They early on Sundays.
 C don’t get up
16 This is interesting book. Have you read it?
 B an 
17 I often go shopping the weekend.
 C at
18 The children played in the garden.
 C happily
19 These shoes aren’t . Look! They’re too small.
C mine
20 there any biscuits?
A Are 
21 She hardly travels abroad.
 B ever 
22 Paul left work an hour .
 C ago
23 How chocolate do you eat?
 B much 
24 This is film I’ve ever seen.
A the best 
25 I’m younger my sister.
B than