急,1.These special low prices （ ） only until June 30th ,so bu

急,
1.These special low prices （ ） only until June 30th ,so buy now and save.
A,applied B,will apply C,apply D,will be applied
2.The bikes produced in that factory are of high quality.So they ______ well both at home and abroad.
A.sell B.are sold C.may be sold D.are to be sold
3.For the whole period of two months,there _ no rain in this areas.Now the crops are dead.A) is B) was C) has been D) have been
最好能说一下原因,毕竟我的语法不太好,这些时态做不来.
主要是要理由，
第一题是B