, кто хорошо знает англ Simple or Continuous.
1. The scientists watch how the changes in the organisms (to arise) gradually.
2. Species (to meet) the demands of the environment to survive?
3. A lot of biologists (to work) on the base-pairing rule.
4. New species constantly (to evolve).
5. We (to combine) the sets of nucleotide strands, so we can't go home now.
6. As it is known, this organism always (to resist) the changes of the environment
to send postcards
to decorate Christmas tree
to shake hands
to do sport
b) 1. When the friends meet they, they shake hands .
2. When will you decorate Christmas tree? - On Christmas Eve.We bought new colourful balls yestarday.
3. Do you do sport? - Yes.i like running and riding my bike.
4. In Deceber people send postcardsto their friends to congratulate with New Year and Christmas.
2. 1 b) of 2 b) at 3 c) On 4 a) in 5 b) for 6) a) off
3 1 Where is Ann?- In the living room.She__is__ arranging flowers in the vase.
2 Why__is_ William crying?- He can`t find his ball.
3 What ___are__ you doing?-Sh-sh!It`s a surpruse.
4 The children __are__ decorating the room for the Ney Year party .Will you help them?
5 Who__is__ singing?-My sister.
4 1. the/What/are/thestudents/doing/now/?
2. Kerry is making Christmas/ cake/.
3 They/are/not doing their homework/now.
4 Is/ it snowing/now/?
5 Why is he /reading/ that /book/?
5. Betty: Oh, what a funny photo! When did you take it?
Ben: Last year, at my school`s new Year Eve party.
Betty: Who is playing the guitar?
Ben: Duncan.He often plays the guitar at the parties. He can play the guitar very well.
Betty: What are the girls doing?
Ben: They are singing an old English snig.(sing) The girls perform at our school
Theatre. Look! Jim and Ann are dancing They are good dancers.
They dance in our Shool Dancing Club.
Betty: I see. And what do you after classes?
Ben: I like taking photos.Do you like my photo?
Betty:It`s great!