1、Mike does exercise ereryday._____he got first place in the

1、Mike does exercise ereryday._____he got first place in the 100-metre race last Friday.A.when B.but C.because D.so
2.It will____-us two hours to finish the work.A.take B.spend C.cost D.pay
3.The_____(visit)from America are interested in Chinese history.
4.______(luck)the girl found her purse under her bed