(18)
A.cycle
B.spiral
C.circle
D.ring

(19)
A.by
B.without
C.when
D.from

______(4)
A.spend
B.to spend
C.spending
D.spent

_______(6)
A.In spite of
B.Despite of
C.Although
D.Because

________(7)
A.doing
B.making
C.causing
D.working

_____(9)
A.very
B.such
C.too
D.so

People don’t understand him because he doesn‘t speak clearly.
A.If he had spoken clearly, people could have understood him.
B.If he had spoken clearly, people could understand him.
C.If he spoke clearly, people could understand him.
D.If he spoke clear, people could understand him.

I asked a porter to carry the luggage to the station.
A.I had the luggage be carried to the station
B.I had a porter carry the luggage to the station.
C.I had a porter carrying the luggage to the station.
D.I had a porter to carry the luggage to the station.

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