It is the best（）I have seen.

1、I haven’t seen the Harbor Officer（）.

I haven’t seen the Harbor Officer（）.AyetBstillCalreadyDjust now

2、It's one of the best（）I have ever been

Its one of the best（）I have ever been to.AconcertsBa concertCthe concertDconcert

3、26 I have seldom seen my mother——pleas

26 I have seldom seen my mother——pleased with my progress as she is nowAA soBB veryCtooDD rather

4、This is（）the most difficult job I have

This is（）the most difficult job I have ever tackled.Aby rightsBby itselfCby oneselfDby far

5、-- Have you seen Jack and John?-- I ha

-- Have you seen Jack and John?-- I havent seen ______ of them.A neitherB anyC eitherD all

6、--Have your students ever seen the sil

--Have your students ever seen the silent film?--No, they are too young ______ the old film.A to seeingB have seenCto have seenD to have