1.may

2.might

3.will

1.will go, snow

2. aren't, will fall

3. won't stay, is nice

1. himself

2. myself

3.не знаю

1. haven't been

2. sent, hasn't answered

3. have your friends already arrived? (тут просто необходимо было переписать предложение)

4. have you ever seen the Eiffel tower? (тут тоже)

1) since 2) for 3) since 4) since

1. which

2. who

3. which

1. another

2.both

3. milk

1.teeth

2.mouth

3. eyes, ears

4.hand-making

5. blogging

6. не знаю, но одно из них это euro

7. parts

8. pair

9. invite