As far as I know, Tim is working for a non-governmental organization.
A.To my knowledge, Tim has been working for a non-governmental organization.
B.To my knowledge, Tim is working for a non-governmental organization.
C.To my knowledge, Tim will be working for a non-governmental organization.
D.To my knowledge, Tim was working for a non-governmental organization.

(1)
A.news
B.information
C.notes
D.messages

(2)
A.about
B.for
C.with
D.on

II. Choose the best answer (A, B, C or D).
There are many posters ______ the wall.
A.in
B.under
C.opposite
D.on

II. Choose the best answer (A, B, C or D).
There are some dirty dishes ______ the floor.
A.on
B.with
C.in
D.for

II. Choose the best answer (A, B, C or D).
You need to walk ______ this road quickly. There’s a lot of traffic.
A.by
B.on
C.across
D.behind

II. Choose the best answer (A, B, C or D).
They are moving ______ a new apartment ______ the city centre soon.
A.at – at
B.from – in
C.to – in
D.to - from

II. Choose the best answer (A, B, C or D).
There _____ a big fridge ______ the corner.
A.is – in
B.is – on
C.are – in
D.are – on

II. Choose the best answer (A, B, C or D).
______ there any furniture ______ your new living room.
A.Are – in
B.Are – at
C.Is – at
D.Is – in

_______(3)
A.widen
B.strengthen
C.largenen
D.deepthen