Choose the correct answer. write only the letter.1. how long … english? a) have you do b) do you do c) have you been doing2. tim … out. he’ll be back in a couple of minutes.a) went b) has gone c) has been3. i didn’t hear the phone ring. i must ….a) be asleep b) have been asleep c) be sleeping
1. c
2. a
3. b
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