初二下学期英语,1.Not long ago,the workers were busy___a large numbe

初二下学期英语,1.Not long ago,the workers were busy___a large number of
dead pigs from the Huangpu River.A.collect B.collecting C.to collect D.collected 2.I___able to finish my homework in an hour.A.am B.was.C.will be D.has been 3.She has little time to do the cooking,__she?A.hasn't B.have C.doesn't D.does 4.If it rains tomorrow,I____at home.A.would stay B.stay C.stayed D.will stay 原因也写一下