Английский язык

Ладонька

6 января, 18:42

2 Underline the correct form of the present perfect in italics. It may be

possible to use both forms.

1 I've sent / been sending the invoice three times but they still haven't paid.

2 It's a successful business; they've opened / been opening eighty

branches in the last three years.

3 How long have you worked / been working here?

4 I've tried / been trying to get through all day but the number is always

engaged.

5 How much holiday have you taken / been taken this year?