1.New ideas have been put into practice____he was elected our leader.

A.for B.after C.since D.hence

2.____you buy the tickets in advance，you won’t be able to see that concert.

A.If B.Unless C.As soon as D.So that

3.I love cycling____my wife prefers walking.

A.although B.despite C.whereas D.yet

4.We arrived at the hospital soaking wet____the fact that we were all wearing waterproof jackets.

A.in spite of B.because C.although D.yet

5.The government is having problems with illegal immigration.____，their economic policies are failing.

A.Therefore B.However

C.Thus D.Furthermore