Choose the correct answer. Write only the letter.1. How long

Choose the correct answer. Write only the letter.

1. How long English?

a) have you do b) do you do c) have you been doing

2. Tim out. Hell be back in a couple of minutes.

a) went b) has gone c) has been

3. I didnt hear the phone ring. I must .

a) be asleep b) have been asleep c) be sleeping