Упростить выражение:
3(2а+4b)+5(7а+b)

Exercise 4a. Complete the sentences with ‘ll or won’t.

1. The teachers are nice. You’ll like them.

2. Everyone’s very friendly. We -------- have a great time.

3. Don’t worry! The work -------- be too difficult.

4. you----- be in the same class as Paul. He ----- be in class 7Y and you---- be in class 7H.

5. Are you nervous? I ----- meet you at the school gate.

6. I ------ be there at 8.30. I ---- forget.

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