It was cold and wet. _________, Paul put on his swimming suit and went to the beach.
A.Although
B.Therefore
C.However
D.Because

The new trains have more powerful engines and are; _________, faster.
A.therefore
B.however
C.nevertheless
D.nonetheless

The sea was dangerous, _________we didn't go out for a swim.
A.since
B.but
C.so
D.as

There is still much to discuss. We shall, _________, return to this item at our next meeting.
A.therefore
B.moreover
C.although
D.so that

Older people_________ a large proportion of those living in poverty.
A.comprise
B.consist
C.compose
D.compound

A.secure
B.vacant
C.oblige
D.equip

They made an aerial survey; that is, they made a survey_________.
A.by ship
B.by plane
C.on foot
D.by telescope

Hummock grasses grow in loose sand on the crest.
A.side
B.bottom
C.top
D.inside

A.roughly
B.tough
C.enough
D.though

A.area
B.arise
C.arrange
D.arrive