27.I find it easy to understand your accent.
DIFFICULTY I ................................................................................................................ your accent.
28. I haven't tried windsurfing before.
FIRST This is .................................................................................... tried windsurfing.
29. The committee has rejected the new proposal.
TURNED The new proposal .......................................................................... the committee.
30.I'm certain Julie didn't tell him.
HAVE It ....................................................................................................... Julie who told him.
31.An American company has bought this office block.
BEEN This office block ..................................................................... an American company.
32.Experts are repairing the van.
HAVING We ........................................................................................................... by experts
27.I find it easy to understand your accent.
(DIFFICULTY) I don't have difficulty in understandinh your accent.
28. I haven't tried windsurfing before.
FIRST
This is first time I have ever tried windsurfing.
29. The committee has rejected the new proposal.
TURNED
The new proposal has been turned down by the committee.
30.I'm certain Julie didn't tell him.
HAVE
It can't have been Julie who told him.
31.An American company has bought this office block.
BEEN
This office block has been bought by an American company.
32.Experts are repairing the van.
HAVING
We are having the van repaired by experts