Open the brackets using Present Perfect Continuous.
1) He (to try) to solve this problem for several months now but he hasn't found a solution yet.
2) He (to teach) at school for twenty years.
3) Mr. Smith (to work) in his room since early morning.
4) The children (to sleep) for 5 years.​

Задайте общие и специальные вопросы:

1. The apple is in the box.

a. .................................... in the box?

b. .........................................................

2. She is at school.

a. ..................................... at school?

b. .....................................................

3. He likes the poem because it is funny.

a. ................................... the poem?

b. .....................................................

4. They can drink coffee.

a. ................................... coffee?

b. ...............................................

5. They skate on Sunday.

a. ...................................on Sanday?

b. ....................................................

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особенности российской культуры 18 века??